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_name_29 (winning_driver VARCHAR, fastest_lap VARCHAR, pole_position VARCHAR)
### Question:
Who was the winning driver of the race with Clay Regazzoni as the fastest lap and Jackie stewart as the pole position?
### Answer:
SELECT winning_driver FROM table_name_29 WHERE fastest_lap = "clay regazzoni" AND pole_position = "jackie stewart"