Who was the match against at the PRIDE 31 event?
CREATE TABLE table_name_70 (opponent VARCHAR, event VARCHAR)
SELECT opponent FROM table_name_70 WHERE event = "pride 31"
### Context: CREATE TABLE table_name_70 (opponent VARCHAR, event VARCHAR) ### Question: Who was the match against at the PRIDE 31 event? ### Answer: SELECT opponent FROM table_name_70 WHERE event = "pride 31"