CREATE TABLE table_4643 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the crowd size when Geelong is the away team?
SELECT "Crowd" FROM table_4643 WHERE "Away team" = 'geelong'
SELECT "Crowd" FROM "table_4643" WHERE "Away team" = 'geelong'