user: Question: How many seats were there in 2001 when there were 11 seats in 2006?
Columns: ['Political parties', '% 2006', 'Seats 2006', '% 2001', 'Seats 2001', '% 1997']
Types: ['text', 'text', 'real', 'text', 'real', 'text']
Sample row: ['Social Democratic Party of Germany', '43.5', 5.0, '38.8', 4.0, '46.6']
SQL:

assistant: SELECT "Seats 2001" FROM "Table" WHERE "Seats 2006" = 11.0;