Question: what is the score on 14 December 1974 and the away team is Crystal Palace?
SQL: SELECT "Score" FROM "2-17620547-3" WHERE "Date" = '14 December 1974' AND "Away team" = 'Crystal Palace';

Question: what is the date when the away team is Crystal Palace?
SQL: SELECT "Date" FROM "2-17620547-3" WHERE "Away team" = 'Crystal Palace';