Question: Wes Kittley has produced several national champions and Olympians, including what Kenyan long and middle distance runner?
Context: Wilson Waigwa (born February 15, 1949) is a Kenyan long distance and middle distance runner.  He competed for Kenya in the 5,000 meters at the 1984 Olympics.  He also competed for Kenya at the 1987 World Indoor Championships and the 1984 World Cross Country Championships. Mary Chemweno Koskei is a former Kenyan middle distance runner who specialised in 400 m, 800 m and 1500 m events.  She won the gold medal in the inaugural 1979 African Championships in 800 metres, and another gold medal six years later in 1500 metres at the 1985 edition.  She is also a three-time Kenyan national champion, having won both the 400 and 800 metres events in 1981 as well as the 800 m event again in 1986.  Mid-career, in the early 1980s, she married long-distance runner Kipsubai Koskei. Wes Kittley (born in Rule, Texas) is the current head coach of the Texas Tech Red Raiders men's and women's track and field teams.  He has produced several national champions and Olympians in Sally Kipyego and Kennedy Kithuka. Kennedy Kithuka (born June 4, 1989 in Thika, Kenya) is a Kenyan cross country runner and Track for Texas Tech under head coach Wes Kittley. Dennis Kipruto Kimetto or Dennis Kipruto Koech (born 22 January 1984) is a Kenyan long distance runner who competes in road running events.  He is the world record holder at the marathon and the 25 km road distance. Margaret Wangari Muriuki (born 21 March 1986 in Nakuru) is a Kenyan long and middle distance runner.  She shared in the team gold medal at the 2010 IAAF World Cross Country Championships.  Individually, she won medals at the African Cross Country Championships and the African Championships in Athletics (1500 m) in 2012. Mekubo Job Mogusu (born 25 December 1986) is a Kenyan long distance runner who specialises in road running, particularly the half marathon.  An emigrant to Japan, he has won the Sapporo Half Marathon on three occasions and the Kagawa Marugame Half Marathon twice – he is the course record holder for both of the races.  Mogusu was also part of the Kenyan ekiden marathon relay team which set the world record time of 1:57:06 at the 2005 Chiba Ekiden.  He has a half marathon best of 59 minutes and 48 seconds and competed at the 2008 IAAF World Half Marathon Championships. Paul Richard Cummings (5 September 1953 – 17 September 2001) was a world-class middle and long distance runner who ran competitively from the 1,500 meters to the marathon, breaking several American records and one world record.  His ability to have a middle distance runner's kick and also have the stamina to compete in distances up to the marathon place him as one of the most versatile American track and road racers in history. Sally Jepkosgei Kipyego (born 19 December 1985) is a Kenyan long- and middle-distance runner.  She was the silver medallist in the 10,000 metres at the 2011 World Championships in Athletics and the silver medalist in the same race at the 2012 Summer Olympic Games in London.  She has a personal record of 30:38.35 minutes for that event and her 5000 metres best of 14:30.42 minutes makes her the second fastest Kenyan woman for the distance. Lydia Kurgat (born 1976) is a Kenyan long distance runner who specialises in marathon running.  She is a two-time winner of the Eindhoven Marathon and has also won races in Bonn, Utrecht and Ljubljana.  Her personal best for the distance is 2:31:26 hours.
Answer: Sally Jepkosgei Kipyego