Question: Who founded the largest classical ballet company in Australia for which Roma Egan was notably a senior soloist?
Sentence (from "The Australian Ballet"): It was founded by J. C. Williamson Theatres Ltd. and the Australian Elizabethan Theatre Trust in 1962, with the English-born dancer, teacher, repetiteur and director Dame Peggy van Praagh as founding artistic director.
Relevant evidence: Yes