Question: What is the Tie No with a Score of 2–2?
SQL: SELECT "Tie no" FROM "2-17751803-6" WHERE "Score" = '2–2';

Question: What is the Date of the Crystal Palace Away game?
SQL: SELECT "Date" FROM "2-17751803-6" WHERE "Away team" = 'Crystal Palace';

Question: What is the Home team of Tie no 2?
SQL: SELECT "Home team" FROM "2-17751803-6" WHERE "Tie no" = '2';