Andy Roddick is the opponent in the final on what surface?
CREATE TABLE table_26202788_7 (
    surface VARCHAR,
    opponent_in_the_final VARCHAR
)
SELECT surface FROM table_26202788_7 WHERE opponent_in_the_final = "Andy Roddick"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Andy Roddick is the opponent in the final on what surface? ### Input: CREATE TABLE table_26202788_7 (
    surface VARCHAR,
    opponent_in_the_final VARCHAR
) ### Response: SELECT surface FROM table_26202788_7 WHERE opponent_in_the_final = "Andy Roddick"