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_49 (date VARCHAR, score_f_a VARCHAR, opponents VARCHAR)
### Question:
Score F–A of 2–0, and a Opponents of walsall has what date?
### Answer:
SELECT date FROM table_name_49 WHERE score_f_a = "2–0" AND opponents = "walsall"