Question: What is the score when the tie no is 29?
SQL: SELECT "Score" FROM "2-17455843-2" WHERE "Tie no" = '29';

Question: What was the tie no when Watford was the away team?
SQL: SELECT "Tie no" FROM "2-17455843-2" WHERE "Away team" = 'Watford';

Question: What team was the home team when Luton Town was the home team?
SQL: SELECT "Home team" FROM "2-17455843-2" WHERE "Away team" = 'Luton Town';

Question: What team was the home team when the tie no was 27?
SQL: SELECT "Home team" FROM "2-17455843-2" WHERE "Tie no" = '27';