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

Question: What is Date, when Tie no is "3"?
SQL: SELECT "date" FROM "sixth_round_proper" WHERE "tie_no"='3';

Question: What is Date, when Away Team is "Brentford"?
SQL: SELECT "date" FROM "sixth_round_proper" WHERE "away_team"='brentford';

Question: What is Date, when Home Team is "Everton"?
SQL: SELECT "date" FROM "sixth_round_proper" WHERE "home_team"='everton';

Question: What is Away Team, when Home Team is "West Ham United"?
SQL: SELECT "away_team" FROM "sixth_round_proper" WHERE "home_team"='west ham united';