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_17 (ground VARCHAR, match VARCHAR, opponent VARCHAR)
### Question:
What ground had a match smaller than 6 and Chelsea Reserves as the opponent?
### Answer:
SELECT ground FROM table_name_17 WHERE match < 6 AND opponent = "chelsea reserves"