CREATE TABLE "sixth_round_proper" (
  "tie_no" text,
  "home_team" text,
  "score" text,
  "away_team" text,
  "date" text
);

Question: What is the Tie No with a Score of 2–2?
SQL: SELECT "tie_no" FROM "sixth_round_proper" WHERE "score"='2–2';

Question: What is the Date of the Crystal Palace Away game?
SQL: SELECT "date" FROM "sixth_round_proper" WHERE "away_team"='crystal palace';

Question: What is the Home team of Tie no 2?
SQL: SELECT "home_team" FROM "sixth_round_proper" WHERE "tie_no"='2';

Question: What is the Home team of tie no 2?
SQL: SELECT "home_team" FROM "sixth_round_proper" WHERE "tie_no"='2';