CREATE TABLE table_16556 ("Season" FLOAT, "Grand FinalDate" CLOB, "WinningTeam" CLOB, "Score" CLOB, "LosingTeam" CLOB, "Location" CLOB, "GF Attendance" FLOAT, "Clive Churchill Medal" CLOB)

How many teams lost at the sydney football stadium, sydney (11)?
SELECT COUNT("LosingTeam") FROM table_16556 WHERE "Location" = 'Sydney Football Stadium, Sydney (11)'
SELECT COUNT("LosingTeam") FROM "table_16556" WHERE "Location" = 'Sydney Football Stadium, Sydney (11)'