user: Question: Which Series has a Site of Ames and a Sport of W Gymnastics?
Columns: ['Date', 'Site', 'Sport', 'Winning team', 'Series']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['September 7, 2005', 'Iowa City', 'W Soccer', 'Iowa State', 'Iowa State 2–0']
SQL:

assistant: SELECT "Series" FROM "Table" WHERE "Site" = 'Ames' AND "Sport" = 'W Gymnastics';