CREATE TABLE table_57276 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When the Away team is melbourne, what's the lowest Crowd attended?
SELECT MIN("Crowd") FROM table_57276 WHERE "Away team" = 'melbourne'
SELECT MIN("Crowd") FROM "table_57276" WHERE "Away team" = 'melbourne'