question: What year was the runner-up Portugal with Italy in third place, and the gold keeper Nuno Hidalgo?
answer: SELECT AVG(year) FROM table_name_5 WHERE runner_up = "portugal" AND third_place = "italy" AND best_goalkeeper = "nuno hidalgo"
context: CREATE TABLE table_name_5 (year INTEGER, best_goalkeeper VARCHAR, runner_up VARCHAR, third_place VARCHAR)