Question: Who was a marathon runner who came first at the Boston Marathon in 1946, Stylianos Kyriakides or 20,000 Leagues Under the Sea?

Context paragraphs:
Stylianos Kyriakides: Stylianos "Stelios" Kyriakides (Greek: Στυλιανός "Στέλιος" Κυριακίδης ; January 15, 1910 (Paphos, Cyprus OS/NS) – December 1987) was a marathon runner who came first at the Boston Marathon in 1946, with the aim of raising money to provide food and shelter to the Greeks, who were experiencing severe poverty issues from the Second World War.

Uta Pippig: Uta Pippig (born 7 September 1965) is a retired German Long-distance runner, and the first woman to officially win the Boston Marathon three consecutive times (1994–1996).  She also won the Berlin Marathon three times (1990, 1992 and 1995); the 1993 New York City Marathon; represented Germany at the Olympic Games in 1992 and 1996, and won a bronze medal at the 1991 World 15km Road Race Championship.  Her  marathon best of 2:21:45 set in Boston in 1994, made her the third-fastest female marathon runner in history at that time.  She obtained American citizenship in 2004.

Catherine Ndereba: Catherine Nyambura Ndereba (born 21 July 1972) is a Kenyan marathon runner.  She has twice won the marathon at the World Championships in Athletics and won silver medals at the Summer Olympic Games in 2004 and 2008.  She is also a four-time winner of the Boston Marathon.  Ndereba broke the women's marathon world record in 2001, running 2:18:47 at the Chicago Marathon.

Joan Benoit: Joan Benoit Samuelson (born May 16, 1957) is an American marathon runner who won gold at the 1984 Summer Olympics in Los Angeles, the year that the women's marathon was introduced.  As a result, she was the first-ever women's Olympic marathon champion.  Benoit Samuelson still holds the fastest times for an American woman at the Chicago Marathon and the Olympic Marathon.  Her time at the Boston Marathon was the fastest time by an American woman at that race for 28 years.  She was inducted into the Maine Women's Hall of Fame in 2000.

20,000 Leagues Under the Sea (1954 film): 20,000 Leagues Under the Sea is a 1954 American Technicolor adventure film and the first science fiction film shot in CinemaScope.  The film was personally produced by Walt Disney through Walt Disney Productions, directed by Richard Fleischer, and stars Kirk Douglas, James Mason, Paul Lukas and Peter Lorre.  It was also the first feature-length Disney film to be distributed by Buena Vista Distribution.  The film is adapted from Jules Verne's 19th-century novel "Twenty Thousand Leagues Under the Sea".  It is considered an early precursor of the steampunk genre.

Gösta Leandersson: Gösta Leandersson (22 April 1918 – 1995) was a Swedish marathon runner.  He won the Košice Peace Marathon in 1948 and 1950 and Boston Marathon in 1949.  At the European championships he finished fifth in 1946 and fourth in 1950.

Stelios Kyriakides Stadium: The Stelios Kyriakides Stadium (previous Pafiako Stadium) (Greek: Στάδιο Στέλιος Κυριακίδης ) is a multi-use stadium in Paphos, the stadium holds 9,394 people.  It has a full size running track around the outside of its football and rugby playing field and is used for many athletics events throughout the year.  It is regarded as one of the best pitches in Cyprus and situated ideally for the public.  Until 25 May 2017 its name was Pafiako Stadium (Greek: Παφιακό Στάδιο ), but Cyprus Sport Organisation change its name to Stelios Kyriakides Stadium after marathon runner Stelios Kyriakides.

Eino Oksanen: Eino Oksanen (born 7 May 1931) was a Finnish marathon runner who won the Boston Marathon three times (1959, 1961 and 1962).  Oksanen also won the 1957 Turku Marathon in Finland and the 1959 Athens Peace Marathon.

Margaret Okayo: Margaret Okayo (born May 30, 1976 in Masaba, Kisii District) is a professional marathon runner from Kenya.  She has won a number of major marathons, including the New York City Marathon (three times), the Boston Marathon, and the London Marathon.  She has also won the San Diego Marathon on two occasions.

Edna Kiplagat: Edna Ngeringwony Kiplagat (born 15 September 1979) is a Kenyan long-distance runner.  She is the 2011 and 2013 IAAF World Champion in the marathon.  She established herself as an elite marathon runner with wins at the Los Angeles and New York City Marathons in 2010.  Her personal best for the distance is 2:19:50 hours, set at the London Marathon in 2012.  At age 37, Kiplagat won the 2017 Boston Marathon in a time of 2:21:52 hours.

Supporting paragraphs: Stylianos Kyriakides 20,000 Leagues Under the Sea (1954 film)
Answer: Stylianos "Stelios" Kyriakides