Question: Arantxa Sánchez Vicario and Bob Lutz, have which mutual occupation?

Context paragraphs:
Bob Lutz (tennis): Robert Lutz (born August 29, 1947) is a former amateur and professional tennis player of the 1960s and 1970s.  He and his longtime partner Stan Smith were one of the best doubles teams of all time.  Bud Collins ranked Lutz as World No. 7 in 1972.  Between 1967 and 1977 he was ranked among the top-10 American players 8 times, with his highest ranking being No. 5 in both 1968 and 1970.

1997 Bausch &amp; Lomb Championships – Doubles: Chanda Rubin and Arantxa Sánchez Vicario were the defending champions but they competed with different partners that year, Rubin with Brenda Schultz-McCarthy and Sánchez Vicario with Larisa Savchenko.

1994 US Open – Women's Singles: Steffi Graf was the defending champion, but she was defeated in the final by Arantxa Sánchez Vicario, marking the last time Sánchez Vicario defeated Graf at any tournament.

1995 Wimbledon Championships – Women's Singles: Conchita Martínez was the defending champion, but she lost to Arantxa Sánchez Vicario in the semifinals.  Steffi Graf defeated Sánchez Vicario 4–6, 6–1, 7–5 in the final to win the Ladies' Singles tennis title at the 1995 Wimbledon Championships, giving Graf the sixth Wimbledon title of her career.

1997 Páginas Amarillas Open – Doubles: Jana Novotná and Arantxa Sánchez Vicario were the defending champions but only Sánchez Vicario competed that year with Mary Joe Fernández.

Arantxa Sánchez Vicario: Aránzazu Isabel María "Arantxa" Sánchez Vicario (] ; born 18 December 1971) is a Spanish former World No. 1 professional tennis player.  She won four Grand Slam singles titles, six Grand Slam women's doubles titles, and four Grand Slam mixed doubles titles.  In 1994 she was crowned the ITF World Champion for the year.

1997 du Maurier Open – Women's Doubles: Larisa Savchenko and Arantxa Sánchez Vicario were the defending champions but they competed with different partners that year, Savchenko with Helena Suková and Sánchez Vicario with Mary Joe Fernández.

1998 Sydney International – Women's Doubles: Gigi Fernández and Arantxa Sánchez Vicario were the defending champions but only Sánchez Vicario competed that year with Manon Bollegraf.

1994 Australian Open – Mixed Doubles: Arantxa Sánchez Vicario and Todd Woodbridge were the defending champions but they competed with different partners that year, Sánchez Vicario with Emilio Sánchez and Woodbridge with Helena Suková.

1996 Wimbledon Championships – Women's Singles: Steffi Graf was the defending champion, and she successfully defended her title, defeating Arantxa Sánchez Vicario in the final, in what was a rematch of last year's final.  With the victory, Graf captured her seventh and final Wimbledon crown, while it marked Sánchez Vicario's last appearance in the ladies' championship match.

Supporting paragraphs: Arantxa Sánchez Vicario Bob Lutz (tennis)
Answer: professional tennis player