Question: Roger Vignoles has accompanied singer Sylvia McNair, what redister does she sing in?
Sentence (from "Roger Vignoles"): He regularly performs with the world's leading singers, including Kiri Te Kanawa, Thomas Allen, Anne Sofie von Otter, Thomas Hampson, Gitta-Maria Sjöberg, Sarah Walker, Sylvia McNair, Susan Graham, Christine Brewer, Felicity Lott, Stephan Genz, Monica Groop, Wolfgang Holzmair, Bernarda Fink, Christine Schäfer, Brigitte Fassbaender and Kathleen Battle.
Relevant evidence: Yes