Question:
Which team did Christophe Samson play for in Jan, 2012?

Context:
 Christophe Samson plays for France national rugby union team from Jun, 2012 to Jun, 2013. 
 Christophe Samson plays for Castres Olympique from Jan, 2012 to Jan, 2012. 
 Christophe Samson plays for RC Toulonnais from Jan, 2010 to Jan, 2012. 
 Christophe Samson plays for Stade Rochelais from Jan, 2006 to Jan, 2007. 
 Christophe Samson plays for ASM Clermont Auvergne from Jan, 2007 to Jan, 2010.

Answer:
Castres Olympique