user: Question: In which series was his position NC† ?
Columns: ['Season', 'Series', 'Team', 'Races', 'Wins', 'Poles', 'F/Laps', 'Podiums', 'Points', 'Position']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [2007.0, 'Formula Renault 2.0 Italy', 'BVM Minardi Team', 14.0, 0.0, 0.0, 0.0, 1.0, '106', '14th']
SQL:

assistant: SELECT "Series" FROM "Table" WHERE "Position" = 'NC†';