Question: Containing 498 shops, what shopping centre marks the beginning of the Westfield Sydney to Melbourne Ultramarathon?
Sentence (from "Sydney to Melbourne Ultramarathon"): It was sponsored by the Westfield Group, with the start being at Westfield Parramatta shopping centre and the finish at Westfield Doncaster shopping centre (formerly known as "Doncaster Shoppingtown").
Relevant evidence: Yes