What race happened at Iowa Speedway?
CREATE TABLE table_name_91 (
    race VARCHAR,
    track VARCHAR
)
SELECT race FROM table_name_91 WHERE track = "iowa speedway"
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 race happened at Iowa Speedway? ### Input: CREATE TABLE table_name_91 (
    race VARCHAR,
    track VARCHAR
) ### Response: SELECT race FROM table_name_91 WHERE track = "iowa speedway"