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_16423070_4 (track_ VARCHAR, _field VARCHAR, swimming VARCHAR, volleyball VARCHAR)
### Question:
which country won swimming track & field when lexington won swimming and madison won volleyball
### Answer:
SELECT track_ & _field FROM table_16423070_4 WHERE swimming = "Lexington" AND volleyball = "Madison"