list sports managers who managed portsmouth f . c . and west ham united f . c . ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_managerClub dbr_Portsmouth_F.C sep_dot sep_dot var_uri dbp_managerclubs dbr_West_Ham_United_F.C sep_dot sep_dot var_uri a dbo_SportsManager brack_close