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_65770 ( "Year" real, "Competition" text, "Venue" text, "Position" text, "Event" text )

### Question ###
what is the venue when the event is 4x400 m relay and the competition is asian championships?

### Accurate SQL ###

SELECT "Venue" FROM table_65770 WHERE "Event" = '4x400 m relay' AND "Competition" = 'asian championships'