In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Q: Context: The track became the best-selling digital song of all time until it was surpassed by Pharrell Williams' "Happy" in 2014. Link Information: The song was reissued on December 16, 2013, by Back Lot Music under exclusive license to Columbia Records, a division of Sony Music. Question: Which record label released the song that became the best-selling digital song of all time in 2014?

A: Answer: Columbia Records
****
Q: Context: She separated from her husband, meeting the writer David Brooks with whom she has a daughter. In 1986 they moved to Brisbane where she taught and edited The Phoenix Review. Link Information: David Gordon Brooks (born 12 January 1953 Question: How old was her second husband when Stasko moved to Brisbane?

A: Answer: 33
****
Q: Context: The Victor Emmanuel Railway, which included both the CulozModane railway across Savoy and the TurinModane railway across Piedmont, was largely built in the 1850s by the Kingdom of Sardinia Link Information: The Kingdom of Sardinia was a state in Southern Europe from the early 14th until the mid-19th century. Question: When did the sovereign entity that built the Victor Emmanuel Railway begin?

A:
Answer: early 14th
****