Question: The D16 class is built for Australian Iron & Steel's in which suburb of Wollongong 8 km south of the CBD and part of the Illawarra region of New South Wales?
Context: Helensburgh is a small town in New South Wales, Australia.  Helensburgh is located 45 kilometres south of the Sydney central business district and 34 km north of Wollongong.  Helensburgh is in the local government area of Wollongong City Council and marks the northern end of the Illawarra region.  It is approximately halfway between Sydney and Wollongong, at the southern end of the Royal National Park. Dean Dalla Valle was born in Wollongong, south of Sydney, and is a senior executive and career mining professional currently CEO of Pacific National (appointed July 2017), one of Australia's largest rail freight businesses.  He was previously employed by BHP spanning a 40 year career.  In 2013 he was appointed president of coal after six years based in Adelaide where he managed the Olympic Dam copper, gold and uranium mine.  Dalla Valle began his mining career in underground coal mining in the Illawarra region of New South Wales as a 17 year old electrician's apprentice.  After twenty years in coal he moved to the Pilbara region of Western Australia where he was Vice President - Port for West Australian Iron Ore (WAIO).  Other positions Dalla Valle has held within BHP include president of the Cannington silver mine in Queensland, president of uranium and president of coal.  His last role at BHP was as Chief Commercial Officer with responsibilities for marketing, health safety environment, including the company's management of the Samarco event.  A shaft at BHP's Jansen project was named after him in 2017 in recognition of his service to the company. Keiraville is an inner suburb of the city of Wollongong, New South Wales, Australia in the Illawarra region.  It is situated in the foothills of Mount Keira, approximately three kilometres northwest of Wollongong. Wollongong ( ), informally referred to as "The Gong", is a seaside city located in the Illawarra region of New South Wales, Australia.  Wollongong lies on the narrow coastal strip between the Illawarra Escarpment and the Pacific Ocean, 82 kilometres (51 miles) south of Sydney.  Wollongong had an estimated urban population of 295,842 at June 2016, making it the third largest city in New South Wales after Sydney and Newcastle, and the tenth largest city in Australia. Wollongong Central is a major shopping centre in the Illawarra region, located in the CBD of Wollongong, New South Wales approximately 90 kilometres south of Sydney.  It is operated and managed by Australian property investment company, General Property Trust (GPT).  It is of local importance and is used by much of the Illawarra community as a social and shopping centre.  It is situated in the western half of the Crown Street Mall. The D16 class are a class of diesel locomotives built by English Electric, Rocklea for Australian Iron & Steel's, Port Kembla steelworks between 1959 and 1964. Windang is a suburb of Wollongong in New South Wales on the southern tip of the peninsula guarding the ocean entrance to Lake Illawarra.  Windang is popular for its fishing, prawning, boating, windsurfing and yachting.  Windang is about 103 km south of Sydney, approximately 20 minutes drive south of the Wollongong CBD and about seven minutes from Shellharbour city. Scarborough is a small northern seaside suburb of Wollongong on the south coast of New South Wales, Australia.  It sits in the northern Illawarra region on a narrow stretch between the Illawarra escarpment and sea cliffs. Port Kembla is a suburb of Wollongong 8 km south of the CBD and part of the Illawarra region of New South Wales.  The suburb comprises a seaport, industrial complex (one of the largest in Australia), a small harbour foreshore nature reserve, and a small commercial sector.  It is situated on the tip of Red Point, first European sighting by Captain James Cook in 1770.  The name "Kembla" is Aboriginal word meaning "plenty [of] wild fowl". Dapto is a suburb of Wollongong in the Illawarra region of New South Wales, Australia, located on the western side of Lake Illawarra and covering an area 7.15 square kilometres in size.  As at the 2016 census , the suburb had a population of 10,730.
Answer: Port Kembla