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_93 (opponent VARCHAR, aces VARCHAR, event VARCHAR)
### Question:
At the 2001 Davis Cup, what Opponent had less than 50 Aces?
### Answer:
SELECT opponent FROM table_name_93 WHERE aces < 50 AND event = "2001 davis cup"