CREATE TABLE table_51261 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When the home team was geelong, who played as the away team?
SELECT "Away team" FROM table_51261 WHERE "Home team" = 'geelong'
SELECT "Away team" FROM "table_51261" WHERE "Home team" = 'geelong'