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_75 (age_group VARCHAR, event VARCHAR, time VARCHAR)
### Question:
What age group has a time of 6:37.73 at the 200m breaststroke?
### Answer:
SELECT age_group FROM table_name_75 WHERE event = "200m breaststroke" AND time = "6:37.73"