Question: Bethanie Mattek-Sands and Nathalie Dechy, share which occupation?

Context paragraphs:
2010 Monterrey Open – Doubles: Nathalie Dechy and Mara Santangelo won the tournament in 2009, but Dechy retired from tennis later in the year and Santangelo chose to not participate this year. Iveta Benešová and Barbora Záhlavová-Strýcová won in the final 3–6, 6–4, [10–8] against Anna-Lena Grönefeld and Vania King.

2010 Internationaux de Strasbourg – Doubles: Nathalie Dechy and Mara Santangelo were the defending champions, but Dechy retired in 2009 and Santangelo chose not to compete this year.

2010 ASB Classic – Doubles: Nathalie Dechy and Mara Santangelo were the defending champions, but Dechy retired from tennis before being able to defend the title, and Santangelo chose not to participate this year.

2017 BNP Paribas Open – Women's Doubles: Bethanie Mattek-Sands and Coco Vandeweghe were the defending champions, but chose not to participate together.  Mattek-Sands played alongside Lucie Šafářová, but lost in the semifinals to Chan Yung-jan and Martina Hingis.  Vandeweghe teamed up with Shelby Rogers, but lost in the first round to Andreja Klepač and María José Martínez Sánchez.

2003 Open Gaz de France – Doubles: Nathalie Dechy and Meilen Tu were the defending champions but only Dechy competed that year with Émilie Loit.

Bethanie Mattek-Sands: Bethanie Lynn Mattek-Sands (née Mattek; born March 23, 1985) is a U.S. professional tennis player who is presently ranked No. 2 in the women's doubles rankings.  Mattek-Sands is an Olympic Gold Medalist in mixed doubles, has won five Grand Slam titles in women's doubles and two in mixed doubles.  She lives in Phoenix, Arizona.

2008 US Open – Women's Doubles: Nathalie Dechy and Dinara Safina were the defending champions, but Safina chose not to participate, and only Dechy competed that year.

2013 Brussels Open – Doubles: Bethanie Mattek-Sands and Sania Mirza were the defending champions but Mattek-Sands decided not to participate. <br>

2013 Malaysian Open – Singles: Hsieh Su-wei was the defending champion, but she lost in the quarterfinals to Bethanie Mattek-Sands.  Karolína Plíšková defeated Mattek-Sands in the final, 1–6, 7–5, 6–3, to claim her first WTA singles title.

Nathalie Dechy: Nathalie Dechy (born 21 February 1979) is a former professional tour tennis player from France.

Supporting paragraphs: Bethanie Mattek-Sands Nathalie Dechy
Answer: professional tennis player