[['A.S. Gubbio 1910', 'LEAGUE', 'Serie D'], ['Italy', 'CAPITAL', 'Rome'], ['Italy', 'LEADER', 'Sergio Mattarella'], ['A.S. Gubbio 1910', 'GROUND', 'Italy'], ['Serie D', 'CHAMPIONS', 'S.S. Robur Siena']]
A.S. Gubbio 1910 is in the _____ league who's previous champions include S S Robur Siena. The grounds of the A.S. Gubbio 1910 are located in Italy which currently has Sergio Mattarella as a leader and Rome is the capital city.