Which race number in the Indy F3 Challenge circuit had John Martin in pole position?
CREATE TABLE table_15530244_2 (
    race VARCHAR,
    circuit VARCHAR,
    pole_position VARCHAR
)
SELECT race FROM table_15530244_2 WHERE circuit = "Indy F3 Challenge" AND pole_position = "John Martin"
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: Which race number in the Indy F3 Challenge circuit had John Martin in pole position? ### Input: CREATE TABLE table_15530244_2 (
    race VARCHAR,
    circuit VARCHAR,
    pole_position VARCHAR
) ### Response: SELECT race FROM table_15530244_2 WHERE circuit = "Indy F3 Challenge" AND pole_position = "John Martin"