Which shipping agent shipped the most documents? List the shipping agent name and the number of documents.
CREATE TABLE Ref_Shipping_Agents (
    Id VARCHAR
)

CREATE TABLE Documents (
    Id VARCHAR
)
SELECT Ref_Shipping_Agents.shipping_agent_name, COUNT(Documents.document_id) FROM Ref_Shipping_Agents JOIN Documents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code GROUP BY Ref_Shipping_Agents.shipping_agent_code ORDER BY COUNT(Documents.document_id) DESC LIMIT 1
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: Which shipping agent shipped the most documents? List the shipping agent name and the number of documents. ### Input: CREATE TABLE Ref_Shipping_Agents (
    Id VARCHAR
)

CREATE TABLE Documents (
    Id VARCHAR
) ### Response: SELECT Ref_Shipping_Agents.shipping_agent_name, COUNT(Documents.document_id) FROM Ref_Shipping_Agents JOIN Documents ON Documents.shipping_agent_code = Ref_Shipping_Agents.shipping_agent_code GROUP BY Ref_Shipping_Agents.shipping_agent_code ORDER BY COUNT(Documents.document_id) DESC LIMIT 1