List document id of documents status is done and document type is Paper and the document is shipped by shipping agent named USPS.
CREATE TABLE ref_document_status (
    document_status_code text,
    document_status_description text
)

CREATE TABLE documents (
    document_id number,
    document_status_code text,
    document_type_code text,
    shipping_agent_code text,
    receipt_date time,
    receipt_number text,
    other_details text
)

CREATE TABLE employees (
    employee_id number,
    role_code text,
    employee_name text,
    other_details text
)

CREATE TABLE documents_mailed (
    document_id number,
    mailed_to_address_id number,
    mailing_date time
)

CREATE TABLE addresses (
    address_id number,
    address_details text
)

CREATE TABLE draft_copies (
    document_id number,
    draft_number number,
    copy_number number
)

CREATE TABLE circulation_history (
    document_id number,
    draft_number number,
    copy_number number,
    employee_id number
)

CREATE TABLE ref_shipping_agents (
    shipping_agent_code text,
    shipping_agent_name text,
    shipping_agent_description text
)

CREATE TABLE roles (
    role_code text,
    role_description text
)

CREATE TABLE document_drafts (
    document_id number,
    draft_number number,
    draft_details text
)

CREATE TABLE ref_document_types (
    document_type_code text,
    document_type_description text
)
SELECT document_id FROM documents WHERE document_status_code = "done" AND document_type_code = "Paper" INTERSECT SELECT document_id FROM documents JOIN ref_shipping_agents ON documents.shipping_agent_code = ref_shipping_agents.shipping_agent_code WHERE ref_shipping_agents.shipping_agent_name = "USPS"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: List document id of documents status is done and document type is Paper and the document is shipped by shipping agent named USPS. ### Input: CREATE TABLE ref_document_status (
    document_status_code text,
    document_status_description text
)

CREATE TABLE documents (
    document_id number,
    document_status_code text,
    document_type_code text,
    shipping_agent_code text,
    receipt_date time,
    receipt_number text,
    other_details text
)

CREATE TABLE employees (
    employee_id number,
    role_code text,
    employee_name text,
    other_details text
)

CREATE TABLE documents_mailed (
    document_id number,
    mailed_to_address_id number,
    mailing_date time
)

CREATE TABLE addresses (
    address_id number,
    address_details text
)

CREATE TABLE draft_copies (
    document_id number,
    draft_number number,
    copy_number number
)

CREATE TABLE circulation_history (
    document_id number,
    draft_number number,
    copy_number number,
    employee_id number
)

CREATE TABLE ref_shipping_agents (
    shipping_agent_code text,
    shipping_agent_name text,
    shipping_agent_description text
)

CREATE TABLE roles (
    role_code text,
    role_description text
)

CREATE TABLE document_drafts (
    document_id number,
    draft_number number,
    draft_details text
)

CREATE TABLE ref_document_types (
    document_type_code text,
    document_type_description text
) ### Response: SELECT document_id FROM documents WHERE document_status_code = "done" AND document_type_code = "Paper" INTERSECT SELECT document_id FROM documents JOIN ref_shipping_agents ON documents.shipping_agent_code = ref_shipping_agents.shipping_agent_code WHERE ref_shipping_agents.shipping_agent_name = "USPS"