CREATE TABLE table_74727 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the smallest crowd that watched an away team score 3.10 (28)?
SELECT MIN("Crowd") FROM table_74727 WHERE "Away team score" = '3.10 (28)'
SELECT MIN("Crowd") FROM "table_74727" WHERE "Away team score" = '3.10 (28)'