CREATE TABLE table_11945 ("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 of the Away team, Fitzroy?
SELECT "Crowd" FROM table_11945 WHERE "Away team" = 'fitzroy'
SELECT "Crowd" FROM "table_11945" WHERE "Away team" = 'fitzroy'