Question: The Main event features Olivia Newton-John, John Farnham and what Australian singer?
Sentence (from "Anthony Warlow"): Anthony Thorne Warlow {'1': ", '2': ", '3': ", '4': "} (born 18 November 1961 in Wollongong, New South Wales, Australia) is an Australian opera and musical theatre performer, noted for his character acting and considerable vocal range.
Relevant evidence: Yes