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_17672470_19 (stage VARCHAR, winner VARCHAR)
### Question:
How many stages were won by Robbie McEwen?
### Answer:
SELECT COUNT(stage) FROM table_17672470_19 WHERE winner = "Robbie McEwen"