Who was the challenger when guillaume brahimi was the iron chef?
CREATE TABLE table_29281529_2 (
    challenger VARCHAR,
    iron_chef VARCHAR
)
SELECT challenger FROM table_29281529_2 WHERE iron_chef = "Guillaume Brahimi"
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 challenger when guillaume brahimi was the iron chef? ### Input: CREATE TABLE table_29281529_2 (
    challenger VARCHAR,
    iron_chef VARCHAR
) ### Response: SELECT challenger FROM table_29281529_2 WHERE iron_chef = "Guillaume Brahimi"