CREATE TABLE table_33086 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the average crowd size when fitzroy plays at home?
SELECT AVG("Crowd") FROM table_33086 WHERE "Home team" = 'fitzroy'
SELECT AVG("Crowd") FROM "table_33086" WHERE "Home team" = 'fitzroy'