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_75 (date VARCHAR, opponent VARCHAR, score VARCHAR)
### Question:
When was the event that had Liberia as an opponent and resulted in a 1-0 score?
### Answer:
SELECT date FROM table_name_75 WHERE opponent = "liberia" AND score = "1-0"