What is the Aggregate of Bayer Leverkusen opponents?
CREATE TABLE table_name_56 (aggregate VARCHAR, opponents VARCHAR)
SELECT aggregate FROM table_name_56 WHERE opponents = "bayer leverkusen"
### Context: CREATE TABLE table_name_56 (aggregate VARCHAR, opponents VARCHAR) ### Question: What is the Aggregate of Bayer Leverkusen opponents? ### Answer: SELECT aggregate FROM table_name_56 WHERE opponents = "bayer leverkusen"