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_13 (lok_sabha VARCHAR, party_affiliation VARCHAR, duration VARCHAR)
### Question:
What is the Lok Sabha for Dravida Munnetra Kazhagam, in 1999-04?
### Answer:
SELECT lok_sabha FROM table_name_13 WHERE party_affiliation = "dravida munnetra kazhagam" AND duration = "1999-04"