Question: Who was the home team on 4 February 1987 when Luton Town was away team and there was no Replay?
SQL: SELECT "Home team" FROM "2-17751837-4" WHERE "Tie no" = 'Replay' AND "Date" = '4 February 1987' AND "Away team" = 'Luton Town';

Question: What was the score on 31 January 1987 with tie number 1?
SQL: SELECT "Score" FROM "2-17751837-4" WHERE "Date" = '31 January 1987' AND "Tie no" = '1';

Question: Who was the away team on 31 January 1987 when the home team was Wimbledon?
SQL: SELECT "Away team" FROM "2-17751837-4" WHERE "Date" = '31 January 1987' AND "Home team" = 'Wimbledon';