CREATE TABLE table_32166 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the lowest Crowd total from a game in which Essendon was the Away team?
SELECT MIN("Crowd") FROM table_32166 WHERE "Away team" = 'essendon'
SELECT MIN("Crowd") FROM "table_32166" WHERE "Away team" = 'essendon'