Question:
Who was the chair of Union for a Popular Movement in Aug, 2003?

Context:
 Nicolas Sarkozy is the chair of Union for a Popular Movement from Dec, 2014 to May, 2015. 
 Alain Juppé is the chair of Union for a Popular Movement from Nov, 2002 to Jul, 2004. 
 Jean-François Copé is the chair of Union for a Popular Movement from Nov, 2012 to Jun, 2014.

Answer:
Alain Juppé