Can we draw the following hypothesis from the context? 

Context:

Benjamin Antonietti (born July 7, 1991) is a Swiss professional ice hockey player who is currently playing with the Dragons de Rouen of the French Ligue Magnus. He previously played in the National League (NL) with Genève-Servette HC and Lausanne HC.

Hypothesis: Antonietti's favorite professional team was with Lausanne HC.
It's impossible to say