user: Question: what is the greatest number of wins by Japanese Formula Three?
Columns: ['Season', 'Series', 'Team Name', 'Races', 'Wins', 'Poles', 'F/Laps', 'Podiums', 'Points', 'Position']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: ['2007', 'Formula BMW UK', 'Fortec Motorsport', 18.0, 7.0, 11.0, 6.0, 13.0, '676', '1st']
SQL:

assistant: SELECT MAX("Wins") FROM "Table" WHERE "Series" = 'Japanese Formula Three';