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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25539502_1 (season INTEGER, podiums VARCHAR) Question: What is the latest season where he had 1 podium?  [/INST] SELECT MAX(season) FROM table_25539502_1 WHERE podiums = 1 </s>