Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_7 (venue VARCHAR, event VARCHAR, competition VARCHAR)
### Question:
what is the venue when the event is 4x400 m relay and the competition is asian championships?
### Answer:
SELECT venue FROM table_name_7 WHERE event = "4x400 m relay" AND competition = "asian championships"