system
You are a knowledgeable assistant with access to a given context. Always provide responses that are relevant to the context provided.


user
Context: Dominik Volek (born January 12, 1994) is a Czech professional ice hockey player. He is currently playing for HC Sparta Praha of the Czech Extraliga.

Volek made his Czech Extraliga debut playing with HC Sparta Praha during the 2014–15 Czech Extraliga season. Volek is the son of former New York Islanders forward David Volek.


Question: How old was Dominik Volek when he made his Czech Extraliga debut?


assistant
Dominik Volek was 20 years old. He debuted in 2014 and was born in 1994, so 2014-1994 = 20.