CREATE TABLE table_name_75 (tie_no VARCHAR, score VARCHAR, away_team VARCHAR)

What is the Tie no when Swansea City is the Away team with a Score of 2 2?
SELECT tie_no FROM table_name_75 WHERE score = "2–2" AND away_team = "swansea city"
SELECT "tie_no" FROM "table_name_75" WHERE "2–2" = "score" AND "away_team" = "swansea city"