CREATE TABLE table_4852 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When did the home team of Richmond play?
SELECT "Date" FROM table_4852 WHERE "Home team" = 'richmond'
SELECT "Date" FROM "table_4852" WHERE "Home team" = 'richmond'