Question: What is the name of this region of New South Wales, Austrialia, whose coalfield was discovered by Edgeworth David?
Sentence (from "List of New South Wales state elections"): This article provides a summary of results for elections to the New South Wales Legislative Assembly, the lower house in New South Wales's bicameral state legislative body, the Parliament of New South Wales, which came into being in 1856 when New South Wales achieved responsible government.
Relevant evidence: No