Question: Francesco Dominici played a role in what Wagner opera that lasts about four and a half hours?
Sentence (from "Hollywood on Television"): When Jarvis left the show in 1951, film star Eddie Albert took his place and co-hosted with White for six months until thirty-three and a half hours of live ad-lib television per week, featuring just the two of them, took its toll and he also resigned.
Relevant evidence: No