How many podiums for the driver with 18 stage wins?
CREATE TABLE table_18811741_15 (podiums VARCHAR, stage_wins VARCHAR)
SELECT COUNT(podiums) FROM table_18811741_15 WHERE stage_wins = 18
### Context: CREATE TABLE table_18811741_15 (podiums VARCHAR, stage_wins VARCHAR) ### Question: How many podiums for the driver with 18 stage wins? ### Answer: SELECT COUNT(podiums) FROM table_18811741_15 WHERE stage_wins = 18