CREATE TABLE table_51644 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the crowd when the away team was hawthorn?
SELECT MIN("Crowd") FROM table_51644 WHERE "Away team" = 'hawthorn'
SELECT MIN("Crowd") FROM "table_51644" WHERE "Away team" = 'hawthorn'