Question:
Who was the chair of Confédération des syndicats nationaux in Feb, 2002?

Context:
 Claudette Carbonneau is the chair of Confédération des syndicats nationaux from Jan, 2002 to Jan, 2011. 
 Jacques Létourneau is the chair of Confédération des syndicats nationaux from Jan, 2012 to Jun, 2021. 
 Caroline Senneville is the chair of Confédération des syndicats nationaux from Jun, 2021 to Dec, 2022.

Answer:
Claudette Carbonneau