Which poll resource provided the most number of candidate information?
CREATE TABLE candidate (
    poll_source VARCHAR
)
SELECT poll_source FROM candidate GROUP BY poll_source ORDER BY COUNT(*) 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 poll resource provided the most number of candidate information? ### Input: CREATE TABLE candidate (
    poll_source VARCHAR
) ### Response: SELECT poll_source FROM candidate GROUP BY poll_source ORDER BY COUNT(*) DESC LIMIT 1