What is the name of the first opera in Wagner's four opera Ring Cycle?
what is the name of the first opera in wagner's four opera ring cycle
FreebaseQA-train-15974.P0 FreebaseQA-train-15974.P1 FreebaseQA-train-15974.P2
ring cycle wagner wagner
der ring des nibelungen richard wagner richard wagner
m.07q9r m.06c44 m.06c44
music.composition.includes book.author.works_written opera.librettist.libretti
m.0d53x
das rheingold
m.0bqq_gs
das rheingold
m.0d53x
das rheingold