Who was the trainer when Mckaymackenna won?
CREATE TABLE table_name_3 (
    trainer VARCHAR,
    winner VARCHAR
)
SELECT trainer FROM table_name_3 WHERE winner = "mckaymackenna"
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: Who was the trainer when Mckaymackenna won? ### Input: CREATE TABLE table_name_3 (
    trainer VARCHAR,
    winner VARCHAR
) ### Response: SELECT trainer FROM table_name_3 WHERE winner = "mckaymackenna"