Question: In 2016 Kheta Ram represented India  and won a marathon event in what city

Context paragraphs:
Ram Singh Yadav: Ram Singh Yadav (born 7 November 1980) is an Indian marathon runner.  Ram represented India at the 2012 Summer Olympics, London.  He achieved the B qualification standard (2:18:00) by clocking a time of 2:16:59 at the 2012 Mumbai Marathon, which is also his best performance in this event.  He is the second Indian athlete ever to be qualified for the marathon event of the Olympics.  Before Yadav, Shivnath Singh was the Indian athlete who participated in the 1976 Summer Olympics in Montreal.  Ram is a havildar in the Indian Army.

Kheta Ram: Kheta Ram aka Khetha Ram / KhetaRam (born 20 Sep 1986) is an Indian athlete and two time Asian Championships finalist who represented India at the 2016 Summer Olympics in the marathon event.  He finished 26th in the men's marathon at the Rio Olympics.  He is also in the Indian Army.

Vancouver Marathon: The BMO Vancouver Marathon is an annual race held on the first Sunday of May each year in Vancouver, British Columbia, Canada.  As the second largest international marathon event in Canada, it has a certified running distance of 26 miles and 385 yards long.  The most recent marathon saw over 14,000 people participate on May 4, 2014, with over 3700 completing the marathon distance.  This marathon is certified by the International Association of Athletics Federations & Association of International Marathons and Distance Races as a qualifying marathon race.

Prague Marathon: The Prague Marathon (also known as Prague International Marathon (PIM) and Volkswagen Prague Marathon) is held in the city of Prague in the Czech Republic each May.  It was founded in 1995 and has grown to become a significant marathon event, being awarded IAAF Gold Label status.  According to media it is the world's most international marathon, with two-thirds of runners coming from 55 different countries.  Prague's marathon course is also the seventh-fastest and has been voted one of the most beautiful in the world.

India at the 2016 Summer Olympics: India competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016.  Indian athletes have appeared in every edition of the Summer Olympics since 1920, although they made their official debut at the 1900 Summer Olympics in Paris.

Manish Jain: Manish Jain (born 25 August 1988) is an Indian Billiards and Snooker player.  Manish started his career in 2004 after being Ranked 2nd at the West Bengal State Junior Billiards Championship and Ranked 3rd in the Snooker Championship.  In 2005 he represented West Bengal in the National Billiards & Snooker Championship at the Goregaon Sports Club, Mumbai.  In 2006 he represented West Bengal in the National Billiards & Snooker Championship at Vijaya Mehal Chennai.In 2007 he Represented West Bengal in the National Billiards & Snooker Championship at Hyderabad and Ranked 2nd In Billiards & Snooker both in India.  He also won the State Junior Snooker Championship in 2007 and Ranked2nd in the State Senior Snooker Championship at West Bengal.  In 2008 Manish represented India at the Asian U-21Snooker Championship held at Yangon,Myanmar.  In 2008 he won the State Junior Snooker & Billiards Championship both held at the Bengal Rowing Club.  In 2009 he represented India in the Asian U-21 Snooker Championship at Pune.  In 2010 Manish joined Eastern Railways under Sports Quota to become a full time professional in Billiards & Snooker.  In 2011 he Represented India in the World Sooker Q- School.  He also won the State Snooker Championship at the Bengal Rowing Club.He also represented India in the World Professional Billiards Championship at Leeds, U.K.  In 2012 he won the State Senior Billiards Championship at the Bengal Rowing Club.  He then went on to represent India in the World Billiards Championship at the Northern Snooker Centre at Leeds, U.K.  He participated in the All India Invitation Billiards & Snooker Championship, Baroda and Beat 9 times World Champion Geet Sethi in the Group Stage and Participated.  In 2013 he represented India at the Australian Open Billiards Championship and made it to the Round of 16.  He represented West Bengal in the National Billiards & Snooker Championship at Gwalior and finished Ranked 6th in the National Senior Billiards Championship.  In 2014 he won both the State Billiards & Snooker Championship at the Bengal Rowing Club.  .

Half marathon: A half marathon is a road running event of 21.0975 km (13 mi 192½ yd) – half the distance of a marathon.  Participation in half marathons has grown steadily since 2003, partly due to the fact that it is a challenging distance, but does not require the same level of training that a marathon does.  In 2008, "Running USA" reported that the half marathon is the fastest growing type of race.  A 2010 article by "Universal Sports" mentioned the growing popularity of the distance.  It is common for a half marathon event to be held concurrently with a marathon, using almost the same course with a late start, an early finish or shortcuts.  If finisher medals are awarded, the medal or ribbon may differ from those for the full marathon.  The half marathon is also known as a 21K, 21.1K or 13.1 miles, although these values are rounded and not formally correct.

Nikita Gokhale: Nikita Gokhale (born Durga Shivshankar Gokhale) is an Indian Actress, Financial Adviser, model and Beauty pageant titleholder who was crowned Miss India Bikini 2015 and represented India at Miss World Bikini Model 2015 in Malta, Europe on 24 October 2015.  She also represented India at Miss Glamour Face world 2016 in Berlin, Germany on 10 September 2016 & she won Title among 22 countries she became Miss Glamour Face World2016 and then she represented India at Miss European Tourism 2016 in Malta, Europe on 2 October 2016.  In 2017, She represent India for world Swimsuit Model 2017.  She was a finalist for World Swim Suit Model 2017 which was eventually won by Brazilian Model Ana Kuya.  She made her screen debut with the 2015 Marathi Film "College".

Rock 'n' Roll Denver Marathon: The Rock 'n' Roll Denver Marathon is an annual marathon held in Denver, Colorado.  The Rock 'n' Roll Denver Marathon replaced the Denver Marathon in 2010.  The Denver Marathon was first established in 2006, when nearly 1,200 people participated in the main marathon event.  Additionally, over 1,700 took part in the half marathon that year.  Other events include a four leg relay marathon and a kids race.

Edinburgh Marathon: The Edinburgh Marathon is an annual marathon event, run in Scotland over the traditional distance of 42.195 km .  The first marathon event in Edinburgh was in 1982 and since 2003 the Edinburgh Marathon Festival has been held each year, usually in May.  The current route begins in the city centre, then moves out of Edinburgh into East Lothian, finishing at Musselburgh, East Lothian.  The Edinburgh Marathon has IAAF Bronze Label status and is governed by Scottish Athletics.

Supporting paragraphs: Kheta Ram India at the 2016 Summer Olympics
Answer: Rio de Janeiro