Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_67 ( event VARCHAR, method VARCHAR, opponent VARCHAR )

### Question ###
What is the event when the method was submission (armbar), and Jeff Gibson was the opponent?

### Accurate SQL ###

SELECT event FROM table_name_67 WHERE method = "submission (armbar)" AND opponent = "jeff gibson"