CREATE TABLE table_10306 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the name of the away team who played Footscray?
SELECT "Away team" FROM table_10306 WHERE "Home team" = 'footscray'
SELECT "Away team" FROM "table_10306" WHERE "Home team" = 'footscray'