CREATE TABLE table_52052 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

On what date was Richmond hosted as the away team?
SELECT "Date" FROM table_52052 WHERE "Away team" = 'richmond'
SELECT "Date" FROM "table_52052" WHERE "Away team" = 'richmond'