At what event did he fight matt eckerle?
CREATE TABLE table_name_55 (event VARCHAR, opponent VARCHAR)
SELECT event FROM table_name_55 WHERE opponent = "matt eckerle"
### Context: CREATE TABLE table_name_55 (event VARCHAR, opponent VARCHAR) ### Question: At what event did he fight matt eckerle? ### Answer: SELECT event FROM table_name_55 WHERE opponent = "matt eckerle"