Task: Question Generation
Input (English): Context_1 : Elena Bovina and Rennae Stubbs were the defending champions, but had different outcomes. While Bovina did not compete this year, Stubbs pertnered with Cara Black and successfully defended her title, defeating Elena Likhovtseva and Magdalena Maleeva 6–0, 6–1 in the final. It was the 2nd title in the year for the pair, and the 14th title for Black and 44th title for Stubbs, in their respective careers. Context_2 : Marty Riessen and Sherwood Stewart were the defending champions, but Riessen did not participate this year. Stewart partnered Ferdi Taygan, finishing runner-up. Context_3 : Tom Okker and Marty Riessen were the defending champions, but Riessen did not participate this year. Okker partnered Arthur Ashe, losing in the quarterfinals. Context_4 : Cara Black and Rennae Stubbs were the defending champions but chose to participate with different partners. Stubbs teamed up with Kveta Peschke and was eliminated in the second round. Black paired up with Liezel Huber and together they won the title after defeating Victoria Azarenka and Anna Chakvetadze 7–5, 6–4 in the final. Context_5 : Lisa Raymond and Rennae Stubbs were the defending champions, but Stubbs decided not to participate.<br> Context_6 : Manon Bollegraf and Rennae Stubbs were the defending champions but only Stubbs competed that year with Lisa Raymond. Context_7 : Lisa Raymond and Rennae Stubbs were the defending champions, but competed this year with different partners. Raymond teamed up with Lindsay Davenport and lost in the first round to Anna Kournikova and Chanda Rubin, while Stubbs teamed up with Conchita Martínez and lost in the final to tournament winners Kim Clijsters and Ai Sugiyama, 6–3, 6–3. Context_8 : Marty Riessen (born December 4, 1941) played amateur and professional tennis in the 1960s and 1970s. He was ranked as high as No. 11 in the world in singles on the ATP Rankings in September 1974, though was ranked as high as World No. 8 by Lance Tingay of The Daily Telegraph in 1971, before the computer rankings. Renowned for his doubles play, Riessen was also a regular doubles partner of Australian tennis great Margaret Court, winning six of his seven major mixed titles and a career grand slam alongside her. Additionally a winner of two men's doubles grand slams, his highest doubles ranking was No. 3 on March 3, 1980. Context_9 : Rennae Stubbs (born 26 March 1971) is an Australian retired tennis player. She was an Australian Institute of Sport scholarship holder. She has won four Grand Slam doubles titles and two Grand Slam mixed doubles titles. She was ranked world No.1 in doubles for three weeks in 2000. She represented Australia at four successive Summer Olympic Games: Atlanta 1996, Sydney 2000, Athens 2004, and Beijing 2008. Context_10 : Rennae Stubbs and Jared Palmer were the defending champions but only Stubbs competed that year with Todd Woodbridge. fact_1 : Marty Riessen (born December 4, 1941) played amateur and professional tennis in the 1960s and 1970s. fact_2 : Rennae Stubbs (born 26 March 1971) is an Australian retired tennis player. Answer: yes
Output (English): did Marty Riessen and Rennae Stubbs both play tennis professionally ?