How many laps for a grid of over 18 and retired due to electrical failure?
CREATE TABLE table_name_31 (
    laps INTEGER,
    grid VARCHAR,
    time_retired VARCHAR
)
SELECT SUM(laps) FROM table_name_31 WHERE grid > 18 AND time_retired = "electrical"
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: How many laps for a grid of over 18 and retired due to electrical failure? ### Input: CREATE TABLE table_name_31 (
    laps INTEGER,
    grid VARCHAR,
    time_retired VARCHAR
) ### Response: SELECT SUM(laps) FROM table_name_31 WHERE grid > 18 AND time_retired = "electrical"