What is the total grant amount of the organisations described as research?
CREATE TABLE Organisations (
    organisation_id VARCHAR,
    organisation_type VARCHAR
)

CREATE TABLE organisation_Types (
    organisation_type VARCHAR,
    organisation_type_description VARCHAR
)

CREATE TABLE Grants (
    organisation_id VARCHAR
)
SELECT SUM(grant_amount) FROM Grants AS T1 JOIN Organisations AS T2 ON T1.organisation_id = T2.organisation_id JOIN organisation_Types AS T3 ON T2.organisation_type = T3.organisation_type WHERE T3.organisation_type_description = 'Research'
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: What is the total grant amount of the organisations described as research? ### Input: CREATE TABLE Organisations (
    organisation_id VARCHAR,
    organisation_type VARCHAR
)

CREATE TABLE organisation_Types (
    organisation_type VARCHAR,
    organisation_type_description VARCHAR
)

CREATE TABLE Grants (
    organisation_id VARCHAR
) ### Response: SELECT SUM(grant_amount) FROM Grants AS T1 JOIN Organisations AS T2 ON T1.organisation_id = T2.organisation_id JOIN organisation_Types AS T3 ON T2.organisation_type = T3.organisation_type WHERE T3.organisation_type_description = 'Research'