What was the latest stage won by Mikhail Ignatiev? 
CREATE TABLE table_25802618_15 (stage INTEGER, winner VARCHAR)
SELECT MAX(stage) FROM table_25802618_15 WHERE winner = "Mikhail Ignatiev"
### Context: CREATE TABLE table_25802618_15 (stage INTEGER, winner VARCHAR) ### Question: What was the latest stage won by Mikhail Ignatiev?  ### Answer: SELECT MAX(stage) FROM table_25802618_15 WHERE winner = "Mikhail Ignatiev"