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_26202788_7 ( surface VARCHAR, opponent_in_the_final VARCHAR )

### Question ###
Andy Roddick is the opponent in the final on what surface?

### Accurate SQL ###

SELECT surface FROM table_26202788_7 WHERE opponent_in_the_final = "Andy Roddick"