What is the average number of goals made by Parma as the away team while playing in Italy?
Parma refers to team_long_name = 'Parma'; average number of goals refers to AVG(away_team_goal)
SELECT CAST(SUM(T1.away_team_goal) AS REAL) / COUNT(T1.id) FROM "Match" AS T1 INNER JOIN TEAM AS T2 ON T1.away_team_api_id = T2.team_api_id INNER JOIN Country AS T3 ON T1.country_id = T3.id WHERE T2.team_long_name = 'Parma' AND T3.name = 'Italy'