Question: Who is younger, Yevgeny Kafelnikov or Allan Stone?

Context paragraphs:
1999 Australian Open – Men's Singles: Petr Korda was the defending champion, but he was eliminated in the third round by Todd Martin. <br>Yevgeny Kafelnikov won the title, defeating Thomas Enqvist in the final, 4–6, 6–0, 6–3, 7–6.  With this win, Kafelnikov became the first Russian (male or female) to win the Australian Open.

Allan Stone: Allan Stone (born 14 October 1945) played amateur and professional tennis in the 1960s and 1970s.  He was ranked as high as World No. 38 in singles on the ATP Rankings in April 1975.

Yevgeny Kafelnikov: Yevgeny Aleksandrovich Kafelnikov (Russian: Евгений Александрович Кафельников ] ; born 18 February 1974) is a Russian former world No. 1 tennis player.  He won two Grand Slam singles titles, the 1996 French Open and the 1999 Australian Open.  He also won four Grand Slam doubles titles, being the last man to have won both the men's singles and doubles titles at the same Grand Slam tournament, which he did at the 1996 French Open.

2001 CA-TennisTrophy – Doubles: Yevgeny Kafelnikov and Nenad Zimonjić were the defending champions but only Kafelnikov competed that year with Wayne Ferreira.

1997 Grand Prix de Tennis de Lyon – Singles: Yevgeny Kafelnikov was the defending champion, but lost in the semifinals this year.

2004 Legg Mason Tennis Classic – Doubles: Yevgeny Kafelnikov and Sargis Sargsian were the defending champions, but did not compete this year, with Kafelnikov retired at the end of the 2003 season.

1995 Grand Prix de Tennis de Lyon – Doubles: Jakob Hlasek and Yevgeny Kafelnikov were the defending champions and successfully defended their title, winning in the final 6–3, 6–3, against John-Laffnie de Jager and Wayne Ferreira.

1996 Grand Prix de Tennis de Lyon – Doubles: Jakob Hlasek and Yevgeny Kafelnikov were the defending champions but they competed with different partners that year, Hlasek with Guy Forget and Kafelnikov with Daniel Vacek.

1996 Estoril Open – Doubles: Yevgeny Kafelnikov and Andrei Olhovskiy were the defending champions but only Kafelnikov competed that year with Paul Haarhuis.

2000 Torneo Godó – Doubles: Paul Haarhuis and Yevgeny Kafelnikov were the defending champions, but Kafelnikov chose to not compete this year in order to focus on the singles tournament.

Supporting paragraphs: Yevgeny Kafelnikov Allan Stone
Answer: Yevgeny Aleksandrovich Kafelnikov