user: Question: Which series is in position NC?
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: [2008.0, 'Asian Formula Renault Challenge', 'Asia Racing Team', 2.0, 0.0, 0.0, 1.0, 0.0, 0.0, 'NC†']
SQL:

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