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: Bradley was later cast as the First Doctor William Hartnell Link Information: Hartnell played the first incarnation of the Doctor in Doctor Who, from 1963 to 1966. Question: What year did the original actor portray the character that Bradley was last cast as?
[A]: Answer: 1963 to 1966

[Q]: Context: The book also discusses about similarities and differences between Indus Valley civilization and early Vedic civilization Link Information: none Question: What is one key difference between the Indus Valley civilization and early Vedic civilizations?
[A]: Answer: none

[Q]: Context: He began his career at Hartlepool United in 1987, before heading into the non-league scene with Shepshed Charterhouse in 1989. Link Information: none Question: Which team that McCarthy played for had a better record - the team he started his career with, or the non-league team he played for?
[A]:
Answer: none