Give the different positions of players who play for the country with the capital Dublin.
SELECT DISTINCT T2.Position FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id  =  T2.Country WHERE T1.Capital  =  "Dublin"
SELECT DISTINCT T2.Position FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id  =  T2.Country WHERE T1.Capital  =  "Dublin"
[{'Position': 'Midfielder'}, {'Position': 'Forward'}]