What is the total capacity (MW) of the windfarm located in the state/province of Gansu?
CREATE TABLE table_name_72 (
    capacity__mw_ INTEGER,
    state_province VARCHAR
)
SELECT SUM(capacity__mw_) FROM table_name_72 WHERE state_province = "gansu"
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 capacity (MW) of the windfarm located in the state/province of Gansu? ### Input: CREATE TABLE table_name_72 (
    capacity__mw_ INTEGER,
    state_province VARCHAR
) ### Response: SELECT SUM(capacity__mw_) FROM table_name_72 WHERE state_province = "gansu"