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_18 (opponent VARCHAR, date VARCHAR)
### Question:
What is Opponent, when Date is 8 April 1999?
### Answer:
SELECT opponent FROM table_name_18 WHERE date = "8 april 1999"