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_27 (tie_no VARCHAR, away_team VARCHAR, date VARCHAR, score VARCHAR)
### Question:
What is the Tie no of the Carlisle United Away game on 17/11/1990 with a Score of 5–0?
### Answer:
SELECT tie_no FROM table_name_27 WHERE date = "17/11/1990" AND score = "5–0" AND away_team = "carlisle united"