Question: Which Norwegian fairytale, published between 1841 and 1844 is the character, who in Julia Donaldson and David Roberts children story walks the plank, based on?
{'answer': 'Three Billy Goats Gruff', 'supporting_facts': [['The Troll', 0], ['The Troll', 1], ['The Troll', 9], ['Three Billy Goats Gruff', 0], ['Three Billy Goats Gruff', 1]]}