Question: Who is the grand marshall of the rose parade?
qaPairs: question: Who is the grand marshall of the rose parade 2017 who was an Olympic diver?
answer: Greg Louganis
question: Who is the grand marshall of the rose parade 2016?
answer: Ken Burns
question: Who is the grand marshall of the rose parade 2015?
answer: Louis Zamperini
question: Who is the grand marshall of the rose parade 2017 who was an Olympic sprinter?
answer: Janet Evans
question: Who is the grand marshall of the rose parade 2017 who was an olympic swimmer?
answer: Allyson Felix