Question:
Which employer did Thierry Roland work for in Oct, 2009?

Context:
 Thierry Roland works for Office de Radiodiffusion Télévision Française from Jan, 1955 to Jan, 1968. 
 Thierry Roland works for Antenne 2 from Jan, 1975 to Jan, 1984. 
 Thierry Roland works for TF1 from Jan, 1984 to Jan, 2005. 
 Thierry Roland works for RTL from Jan, 1975 to Jan, 2012. 
 Thierry Roland works for W9 from Jan, 2005 to Jan, 2012. 
 Thierry Roland works for M6 from Jan, 2005 to Jan, 2012. 
 Thierry Roland works for France Inter from Jan, 1969 to Jan, 1975.

Answer:
RTL