Question: What sport are both the 2015 City of Onkaparinga ATP Challenger and Happy Valley, South Australia known for?

full_context: Document 1: Cleland, South Australia: Cleland is a suburb in South Australia located in the Adelaide metropolitan area about 10 km south-east of the Adelaide city centre. Its boundaries were created in October 2001, with additional land being added in 2010 from the adjoining suburb of Crafers. Its name is derived from the Cleland Conservation Park. The principal land use within the locality is conservation with the majority of its land area being occupied by the Cleland Conservation Park. Places within its extent include the summit of Mount Lofty. Cleland is located within the federal Division of Mayo, the state electoral district of Bragg and the local government area of the Adelaide Hills Council.
Document 2: 2016 City of Onkaparinga ATP Challenger: The 2016 City of Onkaparinga ATP Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Happy Valley, Australia between 2–10 January 2016.
Document 3: Piccadilly Valley wine sub-region: Piccadilly Valley wine sub-region is a wine sub-region in South Australia located between the town of Summertown in the north and the towns of Stirling and Aldgate to its south in the Mount Lofty Ranges to the east of the Adelaide city centre. The sub-region received appellation as an Australian Geographical Indication (AGI) on 14 April 2000. The sub-region is part of the Adelaide Hills wine region and the Mount Lofty Ranges zone.
Document 4: Hazelwood Park, South Australia: Hazelwood Park is a middle-upper class suburb in the City of Burnside, Adelaide, South Australia with a census area population of 1,717 people. The suburb is about 5 kilometres east of the Central business district. Hazelwood Park, a suburban park inside the suburb, is the major attraction in the suburb. This includes the Burnside Swimming Centre, a popular site in the summer. Much of the remainder of the suburb is residential but there is a small shopping area along Glynburn Road on the eastern edge. The area was first settled by Europeans in 1848 but has seen many community changes over the years.
Document 5: 2015 Latrobe City Traralgon ATP Challenger: The 2015 Latrobe City Traralgon ATP Challenger was a professional tennis tournament played on outdoor hard court. It was the fourth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Traralgon, Australia between 26 October – 1 November 2015.
Document 6: 2017 City of Onkaparinga ATP Challenger: The 2017 City of Onkaparinga ATP Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament and part of the 2017 ATP Challenger Tour. It took place in Happy Valley, Australia from 2 to 8 January 2017.
Document 7: Clovelly Park, South Australia: Clovelly Park is an inner southern suburb of Adelaide in the local government area of the City of Marion. Before becoming an 'advanced' suburb, it was a farm and vineyard. It has a population of around 2,700. The borders are defined by Daws Road to the north, South Road to the east, Sturt Road to the south, and a combination of Percy Avenue and the Tonsley railway line to the west. It is situated approximately 20 minutes from the CBD, and about 2 minutes from Flinders University, Flinders Medical Centre and Westfield Marion.
Document 8: 2015 City of Onkaparinga ATP Challenger: The 2015 City of Onkaparinga ATP Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Happy Valley, Australia between 3–11 January 2015.
Document 9: Morphett Vale, South Australia: Morphett Vale is a southern suburb of Adelaide, South Australia in the City of Onkaparinga. It is the largest suburb in the state, with a population of more than 23,000 and an area of 12.76 km², followed by Paralowie with nearly 10,000 fewer residents. There are approximately 1,000 businesses in Morphett Vale.
Document 10: Australian Open: The Australian Open is a major tennis tournament held annually over the last fortnight of January in Melbourne, Australia. First held in 1905, the tournament is chronologically the first of the four Grand Slam tennis events of the year – the other three being the French Open, Wimbledon and the US Open. It features men's and women's singles; men's, women's and mixed doubles and junior's championships; as well as wheelchair, legends and exhibition events. Prior to 1988 the tournament had been played on grass courts, but since then two types of hardcourt surfaces have been used at Melbourne Park – green coloured Rebound Ace up to 2007 and, afterwards, blue Plexicushion.
Document 11: Rose Park, South Australia: Rose Park is a suburb with a population of 1,293 in the South Australian capital city of Adelaide. It is located one kilometre east of Adelaide's central business district (CBD). Rose Park is a leafy, tree-lined and wealthy inner suburb containing a number of historical and contemporary attractions. Much of the area's 19th Century housing stock has been recognised with heritage protection.
Document 12: 2015 ASB Classic: The 2015 ASB Classic was a women's tennis tournament played on outdoor hard courts. It was the 30th edition of the ASB Classic, and part of the WTA International tournaments category of the 2015 WTA Tour. It took place at the ASB Tennis Centre in Auckland, New Zealand, from 5 to 10 January 2015.
Document 13: City of Onkaparinga ATP Challenger: The City of Onkaparinga ATP Challenger is a professional tennis tournament played on outdoor hard courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually at the Happy Valley Tennis Club in Happy Valley, Australia, since 2015.
Document 14: Happy Valley, South Australia: Happy Valley is a metropolitan suburb of Adelaide, South Australia. It is located 20 km south of the Central Business District of Adelaide.
Document 15: Wayville, South Australia: Wayville is an inner-southern suburb of Adelaide in the City of Unley. It is most notable for its hosting of the Royal Adelaide Show at the Adelaide Showgrounds. The suburb is bordered to the north with the southern Parklands of Adelaide, and mostly to the south with the tramline. The particular bordering locations of the South Park Lands are as follows: Kurrangga, Walyo Yerta, Minno Wirra, and Wikaparndo Wirra. The southern border consists of a number of landmarks. Starting at the Leader Street train crossing, the boundary follows Leader Street until Goodwood Road. The boundary then follows Parsons Street and crosses the tramline. Finally the southern boundary follows Simpson Parade. The east boundary is King William Road and the western boundary is the train tracks. Keswick Creek flows through the southern side of the suburb.
ground_truth: tennis