user: Question: Season of 2012–13 is what league?
Columns: ['Season', 'Tier', 'League', 'Turkish Cup', 'European Competitions']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['1999–00', 2.0, 'TB2L', '–', '–']
SQL:

assistant: SELECT "League" FROM "Table" WHERE "Season" = '2012–13';