list sports managers who managed st patrick's athletic f . c . and drogheda united f . c . ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_managerClub dbr_St_Patrick's_Athletic_F.C sep_dot sep_dot var_uri dbp_managerclubs dbr_Drogheda_United_F.C sep_dot sep_dot var_uri a dbo_SportsManager brack_close