user: Question: Who was the winner with a Mountain stage type on 22 May?
Columns: ['Date', 'Course', 'Distance', 'Type', 'Winner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['15 May', 'Agrigento to Modica', 'km (mi)', 'Flat stage', 'Ivan Quaranta ( ITA )']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Type" = 'Mountain stage' AND "Date" = '22 May';