who wrote the song sgt . pepper's lonely hearts club band ?
select distinct var_uri where brack_open dbr_Sgt._Pepper's_Lonely_Hearts_Club_Band_ attr_open song attr_close dbo_writer var_uri sep_dot dbr_Sgt._Pepper's_Lonely_Hearts_Club_Band_ attr_open song attr_close rdf_type dbo_Song brack_close