Question:
Who was the chair of Young Socialists in the SPD in Feb, 2003?

Context:
 Sascha Vogt is the chair of Young Socialists in the SPD from Jun, 2010 to Dec, 2013. 
 Niels Annen is the chair of Young Socialists in the SPD from Jan, 2001 to Jun, 2004. 
 Jessica Rosenthal is the chair of Young Socialists in the SPD from Nov, 2020 to Dec, 2022. 
 Johanna Uekermann is the chair of Young Socialists in the SPD from Dec, 2013 to Nov, 2017.

Answer:
Niels Annen