For all events with index f10, what is the sum of the overall rankings?
CREATE TABLE table_name_66 (
    overall_ranking INTEGER,
    index VARCHAR
)
SELECT SUM(overall_ranking) FROM table_name_66 WHERE index = "f10"
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: For all events with index f10, what is the sum of the overall rankings? ### Input: CREATE TABLE table_name_66 (
    overall_ranking INTEGER,
    index VARCHAR
) ### Response: SELECT SUM(overall_ranking) FROM table_name_66 WHERE index = "f10"