Vertaling van "mr speaker there is really only one witness who could probably tell " (Engels → Frans) :

Miss Deborah Grey (Edmonton North, Ref.): Mr. Speaker, there is really only one witness who could probably tell the whole story.
Mme Deborah Grey (Edmonton-Nord, Réf.): Monsieur le Président, il n'y a vraiment qu'un seul témoin qui pourrait probablement raconter toute l'histoire.