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_84 ( location VARCHAR, event VARCHAR )

### Question ###
In which location did the Meca World Vale Tudo 6 event happen?

### Accurate SQL ###

SELECT location FROM table_name_84 WHERE event = "meca world vale tudo 6"