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_92 (round VARCHAR, grand_slam VARCHAR)
### Question:
What is the round when Grand Slam was the Davis Cup?
### Answer:
SELECT round FROM table_name_92 WHERE grand_slam = "davis cup"