CREATE TABLE table_47394 ("Tie no" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT, "Date" TEXT)

What is the date of the match with a home team of Huddersfield Town and was a replay tie?
SELECT "Date" FROM table_47394 WHERE "Tie no" = 'replay' AND "Home team" = 'huddersfield town'
SELECT "Date" FROM "table_47394" WHERE "Home team" = 'huddersfield town' AND "Tie no" = 'replay'