What is the latest season where he had 1 podium? 
CREATE TABLE table_25539502_1 (season INTEGER, podiums VARCHAR)
SELECT MAX(season) FROM table_25539502_1 WHERE podiums = 1
### Context: CREATE TABLE table_25539502_1 (season INTEGER, podiums VARCHAR) ### Question: What is the latest season where he had 1 podium?  ### Answer: SELECT MAX(season) FROM table_25539502_1 WHERE podiums = 1