user: Question: What was the latest stage won by Mikhail Ignatiev? 
Columns: ['Stage', 'Winner', 'General Classification', 'Points Classification', 'Mountains Classification', 'Young Riders Classification', 'Team Classification']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Linus Gerdemann', 'Linus Gerdemann', 'Linus Gerdemann', 'Dmytro Grabovskyy', 'José Joaquín Rojas', 'Colnago-CSF Inox']
SQL:

assistant: SELECT MAX("Stage") FROM "Table" WHERE "Winner" = 'Mikhail Ignatiev';