title: 2000 French Open – Mixed Doubles
2000 Majorca Open – Doubles
2009 Legg Mason Tennis Classic – Doubles
1997 ABN AMRO World Tennis Tournament – Doubles
Piet Norval
2000 Grand Prix de Tennis de Lyon – Doubles
Robert Lindstedt
1994 Grand Prix Hassan II – Doubles
2016 Winston-Salem Open – Doubles
2000 Estoril Open – Men's Doubles
sentences: Katarina Srebotnik and Piet Norval were the defending champions, but lost in second round to Kim Clijsters and Lleyton Hewitt.
Lucas Arnold and Tomás Carbonell were the defending champions, but did not participate together this year.
 Arnold partnered Martín García, losing in the first round.
 Carbonell partnered Piet Norval, losing in the first round.
Marc Gicquel and Robert Lindstedt were the defending champions, but Gicquel chose not to participate that year.
<BR>Robert Lindstedt partnered with Martin Damm, and won in the final over Mariusz Fyrstenberg and Marcin Matkowski, 7–5, 7–6.
David Adams and Marius Barnard were the defending champions but they competed with different partners that year, Adams with Olivier Delaître and Barnard with Piet Norval.
Pieter ("Piet") Norval (born 7 April 1970) is a former tennis player from South Africa, who turned professional in 1988.
 The right-hander represented his native country in the doubles competition at the 1992 Summer Olympics in Barcelona, where he partnered Wayne Ferreira.
 The pair won the silver medal, after losing the final to Boris Becker and Michael Stich from Germany.
 Norval reached his highest singles ATP-ranking on 19 June 1989, when he became the no. 125 of the world.
Piet Norval and Kevin Ullyett were the defending champions, but did not participate this year.
Robert Lindstedt (born 19 March 1977) is a Swedish professional tennis player, who turned pro in 1998, and is a doubles specialist.
 His biggest title has been the 2014 Australian Open with partner Łukasz Kubot.
 He is also a three-time Wimbledon finalist with former partner Horia Tecău.
Mike Bauer and Piet Norval were the defending champions, but did not participate this year.
Dominic Inglot and Robert Lindstedt were the defending champions, but chose not to participate together.
 Inglot played alongside Marin Draganja, but lost in the quarterfinals to Lindstedt and Aisam-ul-Haq Qureshi.
 Lindstedt and Qureshi then lost in the semifinals to Andre Begemann and Leander Paes.
Tomás Carbonell and Donald Johnson were the defending champions, but did not participate together this year.
 Carbonell partnered Juan Balcells, losing in the first round.
 Johnson partnered Piet Norval and successfully defended his title.

Question: Question: Who is older, Robert Lindstedt or Piet Norval? 

 Your answer will be verified with exact match score. To ensure correct verification, only provide the answer within the <answer> </answer> tags. Do not put any sentences or reasoning process within the <answer> </answer> tags. 

Supporting Information: Paragraph 0 

 Katarina Srebotnik and Piet Norval were the defending champions, but lost in second round to Kim Clijsters and Lleyton Hewitt. 

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Paragraph 1 

 Lucas Arnold and Tomás Carbonell were the defending champions, but did not participate together this year.
 Arnold partnered Martín García, losing in the first round.
 Carbonell partnered Piet Norval, losing in the first round. 

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Paragraph 2 

 Marc Gicquel and Robert Lindstedt were the defending champions, but Gicquel chose not to participate that year.
<BR>Robert Lindstedt partnered with Martin Damm, and won in the final over Mariusz Fyrstenberg and Marcin Matkowski, 7–5, 7–6. 

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Paragraph 3 

 David Adams and Marius Barnard were the defending champions but they competed with different partners that year, Adams with Olivier Delaître and Barnard with Piet Norval. 

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Paragraph 4 

 Pieter ("Piet") Norval (born 7 April 1970) is a former tennis player from South Africa, who turned professional in 1988.
 The right-hander represented his native country in the doubles competition at the 1992 Summer Olympics in Barcelona, where he partnered Wayne Ferreira.
 The pair won the silver medal, after losing the final to Boris Becker and Michael Stich from Germany.
 Norval reached his highest singles ATP-ranking on 19 June 1989, when he became the no. 125 of the world. 

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Paragraph 5 

 Piet Norval and Kevin Ullyett were the defending champions, but did not participate this year. 

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Paragraph 6 

 Robert Lindstedt (born 19 March 1977) is a Swedish professional tennis player, who turned pro in 1998, and is a doubles specialist.
 His biggest title has been the 2014 Australian Open with partner Łukasz Kubot.
 He is also a three-time Wimbledon finalist with former partner Horia Tecău. 

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Paragraph 7 

 Tomás Carbonell and Donald Johnson were the defending champions, but did not participate together this year.
 Carbonell partnered Juan Balcells, losing in the first round.
 Johnson partnered Piet Norval and successfully defended his title. 

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Answer: Pieter ("Piet") Norval