Gianluca Cologna (born 17 May 1990) is a Swiss cross-country skier. His brother Dario Cologna is also a professional cross-country skier. He competed in the 2014 Winter Olympics in the Men's team sprint with his brother Dario and finished 5th in the final.

Based on that paragraph can we conclude that this sentence is true?
Dario Cologna won a gold medal as a Swiss cross-country skier.
It's impossible to say