How many seasons was the losing team Adelaide City?
CREATE TABLE table_12028543_3 (season VARCHAR, losingteam VARCHAR)
SELECT COUNT(season) FROM table_12028543_3 WHERE losingteam = "Adelaide City"
### Context: CREATE TABLE table_12028543_3 (season VARCHAR, losingteam VARCHAR) ### Question: How many seasons was the losing team Adelaide City? ### Answer: SELECT COUNT(season) FROM table_12028543_3 WHERE losingteam = "Adelaide City"