Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_91 (seats_2001 INTEGER, parties_and_voter_communities VARCHAR, seats_2006 VARCHAR)

### Question ###
what is the total number of seats 2001 with seats 2006 more than 10 and voter communities of cdu?

### Accurate SQL ###

SELECT SUM(seats_2001) FROM table_name_91 WHERE parties_and_voter_communities = "cdu" AND seats_2006 > 10