CREATE TABLE table_33243 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When did an away team score 7.8 (50)?
SELECT "Date" FROM table_33243 WHERE "Away team score" = '7.8 (50)'
SELECT "Date" FROM "table_33243" WHERE "Away team score" = '7.8 (50)'