Question: What date was the away team, team Gillingham?
SQL: SELECT "Date" FROM "2-17520911-2" WHERE "Away team" = 'Gillingham';

Question: What was the score for a no. 21 tie?
SQL: SELECT "Score" FROM "2-17520911-2" WHERE "Tie no" = '21';

Question: What was the date for the away team, team Southport?
SQL: SELECT "Date" FROM "2-17520911-2" WHERE "Away team" = 'Southport';

Question: What was the score for the away team, Southport?
SQL: SELECT "Score" FROM "2-17520911-2" WHERE "Away team" = 'Southport';