Question: Pierre Nlend Womé (born 26 March 1979) is a Cameroonian retired footballer who played as a defender, being only one of eleven players to have played in the top divisions, one of the others is Christian Bjørnshøj Poulsen, a Danish former footballer, born on which date?

Context paragraphs:
Kaj Poulsen: Kaj Kvistgård Poulsen, known as Kaj Poulsen, (born December 31, 1942) is a Danish former association footballer in the striker position, who played 141 games and scored 29 goals for Vejle Boldklub.  He played five matches for the Denmark national football team, and scored one goal against Wales in a qualification game for the 1966 FIFA World Cup.  He was named 1965 Danish Football Player of the Year.  Poulsen moved abroad to play professionally with German Bundesliga club Hannover 96 in 1966.  He also played for Belgian clubs K. Beerschot V.A.C. and KFC Turnhout, before ending his career with Vejle in 1974.

Lucien Mettomo: Lucien Mettomo (born 19 April 1977 in Douala) is a Cameroonian retired footballer.  Formerly, he has played for Tonnerre Yaoundé, Saint-Étienne, Manchester City, Kaiserslautern, Kayseri Erciyesspor and FC Luzern.

Raymond Kalla: Raymond Koned Kalla Nkongo (born 22 April 1975), known as Kalla, is a Cameroonian retired footballer who played as a central defender.

Jacques Songo'o: Jacques Celestin Songo'o (born 17 March 1964) is a Cameroonian retired footballer who played as a goalkeeper.

Christian Poulsen: Christian Bjørnshøj Poulsen (born 28 February 1980) is a Danish former footballer.  After starting his career with Holbæk, he played for a number of European clubs as a defensive midfielder, winning the Danish Superliga championship with F.C. Copenhagen, the German DFB-Ligapokal trophy with FC Schalke 04, and the European UEFA Cup with Spanish team Sevilla FC, later also playing for Italian Serie A club Juventus, as well as Premier League side, Liverpool, French side Evian, and Dutch side Ajax.

Mathurin Kameni: Mathurin Kameni (born 4 February 1978) is a Cameroonian retired footballer who played as a goalkeeper.

Benjamin Massing: Benjamin Massing (born 20 June 1962 in Edéa) is a Cameroonian retired footballer who played as a central defender.

Daniel N'Gom Kome: Daniel Armand N'Gom Kome (born 19 May 1980) is a Cameroonian retired footballer who played as a midfielder.

Bassey William Andem: Bassey William Andem (born 14 June 1968) is a Cameroonian retired footballer who played as a goalkeeper.

Pierre Womé: Pierre Nlend Womé (born 26 March 1979) is a Cameroonian retired footballer who played as a defender.  A journeyman, Womé was a versatile and skillful left wingback who played for 14 clubs in six countries, being only one of eleven players to have played in the top divisions in Italy, Spain, England and Germany respectively (the others are Jon Dahl Tomasson, Abel Xavier, Gheorghe Popescu, Florin Răducioiu, Pepe Reina, Christian Poulsen, Maniche, Marko Marin, Eduardo Vargas and Obafemi Martins).

Supporting paragraphs: Pierre Womé Christian Poulsen
Answer: 28 February 1980