user: Question: What was the first season of the club that in 2012 was 2nd in Superettan?
Columns: ['Club', 'Position in 2012', 'First season', 'Number of seasons', 'First season of current spell', 'Titles', 'Last title']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['AIK', '4th', '1924–25', 84.0, 2006.0, 5.0, '2009']
SQL:

assistant: SELECT "First season" FROM "Table" WHERE "Position in 2012" = '2nd in Superettan';