Question: Between two tennis players Kim Clijsters and Mary Pierce, who is older?

Related documents: [0]  [DOC] Kim Antonie Lode Clijsters (] ; born 8 June 1983) is a Belgian former professional tennis player. Clijsters is a former world No. 1 in both singles and doubles. [END] 
[1]  [DOC] Mary Pierce (born 15 January 1975) is a French retired tennis professional who played on the Women's Tennis Association (WTA) tour. Born in Canada, she is a citizen of Canada, and the United States. Pierce played for France in team competitions and in the Olympics. [END]  
Answer: Mary Pierce
Mary Pierce