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'.

[EX Q]: Context: In 1928 he began study at the University of Vienna, obtaining his doctorate in 1930 Link Information: none Question: Who is the president of the school where Smith obtained his doctorate?
[EX A]: Answer: none

[EX Q]: Context: though that did not dissuade distinguished contributions from the like of David Garrick and Christopher Anstey. Link Information: David Garrick (19 February 1717 Question: Which of the men who made distinguished contributions to the literary salon was older?
[EX A]: Answer: David Garrick

[EX Q]: Context: In the second qualifying session, every driver set a lap on the option tyres except two. Lewis Hamilton still managed to take his McLaren into Q3 with the sixth fastest Q2 time on the prime tyres, Link Information: He progressed through to Junior Yamaha in 1997, and in 1998, Dennis called Hamilton after he won an additional Super One series and his second British championship. Dennis delivered on his promise and signed Hamilton to the McLaren driver development programme. Question: When did Lewis Hamilton start driving professionally?
[EX A]:
Answer: 1998