Question: How many seats in 2006 has a % 1997 rating of 38.9?
SQL: SELECT COUNT("Seats 2006") FROM "1-21132404-1" WHERE "% 1997" = '38.9';

Question: What was the % 2006 rating in 2006 where there were 5 seats?
SQL: SELECT "% 2006" FROM "1-21132404-1" WHERE "Seats 2006" = 5.0;

Question: How many time was the political party the Social Democratic Party of Germany?
SQL: SELECT COUNT("% 2006") FROM "1-21132404-1" WHERE "Political parties" = 'Social Democratic Party of Germany';

Question: How many political parties had a %2006 rating of 43.5?
SQL: SELECT COUNT("Political parties") FROM "1-21132404-1" WHERE "% 2006" = '43.5';

Question: How many seats were there in 2001 when there were 11 seats in 2006?
SQL: SELECT MIN("Seats 2001") FROM "1-21132404-1" WHERE "Seats 2006" = 11.0;