Question: Marin Čilić won a Masters 1000 title at the 2016 tournament held in what suburb of Cincinnati?

full_context: Document 1: 2015 Western &amp; Southern Open: The 2015 Western & Southern Open was a men's and women's tennis tournament played on outdoor hard courts August 15–23, 2015. It was part of the ATP World Tour Masters 1000 of the 2015 ATP World Tour and of the WTA Premier 5 tournaments of the 2015 WTA Tour, as well as a 2015 US Open Series event. The 2015 tournament was the men's 114th edition and the women's 87th edition of the Cincinnati Masters. The tournament is held annually at the Lindner Family Tennis Center in Mason (a northern suburb of Cincinnati), Ohio, United States.
Document 2: Marin Čilić career statistics: This is a list of the main career statistics of Croatian professional tennis player, Marin Čilić. To date, Čilić has won 16 ATP singles titles including one grand slam singles title at the 2014 US Open, one ATP Masters 1000 title at the 2016 Western & Southern Open and a record four titles at the PBZ Zagreb Indoors. Other highlights of Čilić's career thus far include a semi-final appearance at the 2010 Australian Open and three consecutive quarterfinals at the Wimbledon Championships from 2014 to 2016. Čilić achieved a career high singles ranking of World No. 6 on November 21st, 2016.
Document 3: Marin Čilić: Marin Čilić (; born 28 September 1988) is a Croatian professional tennis player. Over the course of his career, Čilić has won 17 ATP singles titles, including the 2014 US Open. His career-high singles ranking is world No. 5, achieved in September 2017. Čilić first came to international prominence by defeating then-World No. 2 Andy Murray in the fourth round of the 2009 US Open. He followed this by reaching the semifinals of the 2010 Australian Open. Among other achievements, Čilić was runner-up at the 2017 Wimbledon Championships, and was a semifinalist at the 2015 US Open as defending champion. Čilić is currently the youngest active male player to have won a slam. Čilić has reached at least the quarterfinal in all four grand slam tournaments. He has a very powerful serve and very powerful groundstrokes.
Document 4: Petra Kvitová career statistics: This is a list of the main career statistics of Czech professional tennis player Petra Kvitová. To date, Kvitová has won 20 singles titles including two Grand Slam singles titles at the Wimbledon Championships, one WTA Tour Championships singles title, two WTA Premier Mandatory singles titles and four WTA Premier 5 singles titles. She was also the bronze medallist at the 2016 Rio Olympics, a semifinalist at the 2010 Wimbledon Championships, 2012 Australian Open and 2012 French Open and a quarterfinalist at the 2011 Australian Open, 2012 Wimbledon Championships, 2013 Wimbledon Championships, 2015 US Open and 2017 US Open. Kvitová reached her career-high ranking of world no. 2 on 31 October 2011.
Document 5: 2014 Western &amp; Southern Open: The 2014 Western & Southern Open (the Cincinnati Masters) was a men's and women's tennis tournament that was played on outdoor hard courts August 11–17, 2014. It was part of the ATP World Tour Masters 1000 of the 2014 ATP World Tour and of the WTA Premier 5 tournaments of the 2014 WTA Tour. The 2014 tournament was the men's 113th edition and the women's 86th edition of the Cincinnati Masters. The tournament is held annually at the Lindner Family Tennis Center in Mason (a suburb of Cincinnati), Ohio, United States.
Document 6: 2016 Western &amp; Southern Open: The 2016 Western & Southern Open was a men's and women's tennis tournament played on outdoor hard courts from August 15–21, 2016. It was a Masters 1000 tournament on the 2016 ATP World Tour and a WTA Premier 5 tournament on the 2016 WTA Tour. The tournament was one of two headline events in the 2016 US Open Series. The 2016 tournament was the 115th men's edition and the 88th women's edition of the Cincinnati Masters. The tournament is held annually at the Lindner Family Tennis Center in Mason (a northern suburb of Cincinnati), Ohio, United States.
Document 7: Goran Ivanišević: Goran Ivanišević (; born 13 September 1971) is a retired Croatian professional tennis player and current tennis coach. He is the only person to win the men's singles title at Wimbledon as a wildcard. He achieved this in 2001, having previously been runner-up at the championships in 1992, 1994 and 1998. Before the 2001 tournament, he was ranked 125th and after his victory he was 16th. His career-high singles ranking was World No. 2 (behind Pete Sampras) in 1994. He coached Marin Čilić from September 2013 to July 2016, leading Čilić to his biggest achievement to date, the 2014 US Open title.
Document 8: Stan Wawrinka career statistics: This is a list of the main career statistics of Swiss professional tennis player, Stan Wawrinka. To date, Wawrinka has won sixteen ATP singles titles, including three Grand Slam singles titles at the 2014 Australian Open, the 2015 French Open, and the 2016 US Open, and one ATP Masters 1000 title at the 2014 Monte-Carlo Rolex Masters. He was also a semifinalist at the 2013 US Open, the 2015 Australian Open, the 2015 US Open, and the 2013, 2014 and 2015 ATP World Tour Finals. He also has reached the quarterfinals at 2014 and 2015 Wimbledon. Wawrinka also won a gold medal partnering Roger Federer in men's doubles for Switzerland in the 2008 Summer Olympics in Beijing, beating Swedish team Simon Aspelin and Thomas Johansson. In 2014 Wawrinka was part of the Swiss National Team, winning the Davis Cup for the first time.
Document 9: Ivan Dodig: Ivan Dodig (born 2 January 1985) is a Croatian tennis player. His career-high ATP rankings are world No. 29 in singles and world No. 4 in doubles. Dodig is a Grand Slam champion after winning the 2015 French Open men's doubles title with Marcelo Melo.
Document 10: Mate Pavić: Mate Pavić (born 4 July 1993) is a Croatian professional tennis player specialising in doubles. Mate won the 2016 US Open mixed doubles title in partnership with Laura Siegemund, and reached the 2017 Wimbledon Championships men's doubles finals partnering Oliver Marach.
Document 11: 2017 Western &amp; Southern Open: The 2017 Western & Southern Open was a men's and women's tennis tournament played on outdoor hard courts from August 14–20, 2017. It was a Masters 1000 tournament on the 2017 ATP World Tour and a WTA Premier 5 tournament on the 2017 WTA Tour. The tournament was one of two headline events in the 2017 US Open Series. The 2017 tournament was the 116th men's edition and the 89th women's edition of the Cincinnati Masters. The tournament was held annually at the Lindner Family Tennis Center in Mason, a northern suburb of Cincinnati, in the United States.
Document 12: 2016 US Open Series: In tennis, the 2016 US Open Series (known as Emirates Airline US Open Series for sponsorship reasons) is the thirteenth edition of the US Open Series, which includes a group of hard court tournaments that starts on July 18, 2016 in Stanford and concludes in Connecticut for the women and in Winston Salem for the men on August 27, 2016. This edition consists of three separate men's tournaments and three women's tournaments, with the Western & Southern Open hosting both a men's and women's event. The series is headlined by two ATP World Tour Masters 1000 and two WTA Premier 5 events.
Document 13: 2017 US Open Series: In tennis, the 2017 US Open Series was the fourteenth edition of the US Open Series, which comprised a group of hard court tournaments that started on July 24, 2017 in Atlanta and concluded in Connecticut for the women and in Winston-Salem for the men on August 26, 2017. This edition consisted of three separate men's tournaments and three women's tournaments, with the Western & Southern Open hosting both a men's and women's event. The series was headlined by two ATP World Tour Masters 1000 and two WTA Premier 5 events.
Document 14: Kei Nishikori career statistics: This is a list of the main career statistics of Japanese professional tennis player, Kei Nishikori. To date, Nishikori has won 11 ATP singles titles including a record four consecutive titles at the Memphis Open. Other highlights of Nishikori's career thus far include reaching the finals of the 2014 Mutua Madrid Open, 2016 Miami Open, 2016 Rogers Cup, and 2014 US Open, a semi-final appearance at the 2014 ATP World Tour Finals and 2016 US Open, quarterfinal finishes at the 2012 Australian Open, 2015 Australian Open, 2016 Australian Open and 2015 French Open. Nishikori achieved a career high singles ranking of world No. 4 on March 2, 2015.
Document 15: 2013 Western &amp; Southern Open: The 2013 Western and Southern Open was a men's and women's tennis tournament played on outdoor hard courts August 12–18, 2013. It was part of the ATP World Tour Masters 1000 of the 2013 ATP World Tour, and of the WTA Premier 5 tournaments of the 2013 WTA Tour. The 2013 tournament was the 112th edition (for the men) and the 85th (for the women) of the Cincinnati Masters. The tournament is held annually at the Lindner Family Tennis Center in Mason (a suburb of Cincinnati), Ohio, United States.
ground_truth: Mason