CREATE TABLE table_name_84 (score VARCHAR, tie_no VARCHAR, away_team VARCHAR)

What was the score of the replay game when watford was the away team?
SELECT score FROM table_name_84 WHERE tie_no = "replay" AND away_team = "watford"
SELECT "score" FROM "table_name_84" WHERE "away_team" = "watford" AND "replay" = "tie_no"