CREATE TABLE table_11179 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When was there a crowd larger than 23,000?
SELECT "Date" FROM table_11179 WHERE "Crowd" > '23,000'
SELECT "Date" FROM "table_11179" WHERE "Crowd" > '23,000'