Question: Which musician co-founded Throwing Muses with her stepsister Kristin Hersh: Tanya Donelly or Kai Hansen?
Sentence (from "Tanya Donelly"): Tanya Donelly (born July 14, 1966, in Newport, Rhode Island) is an American Grammy Award-nominated singer-songwriter and guitarist based in New England who co-founded Throwing Muses with her stepsister Kristin Hersh.
Relevant evidence: Yes