Question: What is Date, when Tie no is "3"?
SQL: SELECT "Date" FROM "2-17751811-6" WHERE "Tie no" = '3';

Question: What is Date, when Away Team is "Brentford"?
SQL: SELECT "Date" FROM "2-17751811-6" WHERE "Away team" = 'Brentford';

Question: What is Date, when Home Team is "Everton"?
SQL: SELECT "Date" FROM "2-17751811-6" WHERE "Home team" = 'Everton';

Question: What is Away Team, when Home Team is "West Ham United"?
SQL: SELECT "Away team" FROM "2-17751811-6" WHERE "Home team" = 'West Ham United';