Question: Who chaired the ceremony in which the film written by Canet and Philippe Lefebvre won the award for Best Film?

Related documents: [0]  [DOC] The 12th Lumières Awards ceremony, presented by the Académie des Lumières, was held on 5 February 2007, at the Espace Pierre Cardin in Paris. The ceremony was chaired by Isabelle Mergault. "Tell No One" won the award for Best Film. [END] 
[1]  [DOC] Tell No One (French: "Ne le dis à personne" ) is a 2006 French thriller film directed by Guillaume Canet and based on the novel of the same name by Harlan Coben. Written by Canet and Philippe Lefebvre and starring François Cluzet, the film won four categories at the 2007 César Awards in France: Best Director (Guillaume Canet), Best Actor (François Cluzet), Best Editing and Best Music Written for a Film. [END]  
Answer: Isabelle Mergault
Isabelle Mergault