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: Created by screenwriters Ted Elliott and Terry Rossio, Fiona is loosely based on the unsightly princess in William Steig's children's book Shrek! Link Information: Steig, later, when he was 61, began writing children's books. Question: How many books has the author of the children's book that inspired the character of Princess Fiona written?

A: Answer: more than 30
****
Q: Context: due to the unpopular edict by Emperor Domitian that all colonial vines must be uprooted. When Emperor Probus, the son of a gardener, rescinded the edict Link Information: Domitian (; ; 24 October 51 – 18 September 96 AD) was Roman emperor from 81 to 96 Question: How many years were between the end of the Emperor's reign who called for all colonial vines to be uprooted and the beginning of the reign where the son of a gardener rescinded the edict?

A: Answer: 180
****
Q: Context: During this time he directed more than 140 films. Link Information: none Question: Which of the Ford brothers had directed more films?

A:
Answer: none
****