CREATE TABLE table_52119 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What team played away in the game that the home team scored 7.8 (50)?
SELECT "Away team" FROM table_52119 WHERE "Home team score" = '7.8 (50)'
SELECT "Away team" FROM "table_52119" WHERE "Home team score" = '7.8 (50)'