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_66 (date VARCHAR, h___a VARCHAR, opponents VARCHAR)
### Question:
When did Manchester United play against Bristol City with an H/A of A?
### Answer:
SELECT date FROM table_name_66 WHERE h___a = "a" AND opponents = "bristol city"