Of what valley is the birthplace of Brent Livermore the commercial hub?
Brent Livermore Brent James Livermore OAM (born 5 July 1976 in Grafton, New South Wales) is a field hockey midfielder from Australia. He was first selected in the Australian team in 1997, and was awarded the Kookaburras player of the year award in 2001. He was also nominated of the FIH player of the year awards in 2002 and 2005. He has played over 300 matches for the Australian team, and has scored 30 international goals. He plays for the NSW Waratahs in the Australian Hockey League.
Philadelphia Philadelphia ( ) is the largest city in the Commonwealth of Pennsylvania and the sixth-most populous city in the United States, with an estimated population of 1,567,872 and more than 6 million in the seventh-largest metropolitan statistical area, as of 2016 . Philadelphia is the economic and cultural anchor of the Delaware Valleya region located in the Northeastern United States at the confluence of the Delaware and Schuylkill Rivers with 7.2 million people residing in the eighth-largest combined statistical area in the United States.