Table schema:
CREATE TABLE table_name_79 (seats_2006 INTEGER, parties_and_voter_communities VARCHAR, _percentage_2006 VARCHAR)

Question: What is the highest number of Seats 2006 held by the Christian Democratic Union of Germany Party/Voter Community, with a %2006 higher than 24.6?
SQL: SELECT MAX(seats_2006) FROM table_name_79 WHERE parties_and_voter_communities = "christian democratic union of germany" AND _percentage_2006 > 24.6