user: Question: What is the series for race 7
Columns: ['Season', 'Series', 'Team', 'Races', 'Wins', 'Poles', 'F/Laps', 'Podiums', 'Points', 'Position']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [2010.0, 'F4 Eurocup 1.6', 'Autosport Academy', 14.0, 6.0, 5.0, 4.0, 3.0, 151.0, '1st']
SQL:

assistant: SELECT "Series" FROM "Table" WHERE "Races" = 7.0;