Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_15530244_2 (race VARCHAR, circuit VARCHAR, pole_position VARCHAR)
### Question:
Which race number in the Indy F3 Challenge circuit had John Martin in pole position?
### Answer:
SELECT race FROM table_15530244_2 WHERE circuit = "Indy F3 Challenge" AND pole_position = "John Martin"