The match against Valentijn Overeem had what method?
CREATE TABLE table_name_11 (method VARCHAR, opponent VARCHAR)
SELECT method FROM table_name_11 WHERE opponent = "valentijn overeem"
### Context: CREATE TABLE table_name_11 (method VARCHAR, opponent VARCHAR) ### Question: The match against Valentijn Overeem had what method? ### Answer: SELECT method FROM table_name_11 WHERE opponent = "valentijn overeem"