Question: who are the main characters in the wind in the willows
[{'answer': 'Mole', 'provenance': [{'wikipedia_id': '45133', 'title': 'The Wind in the Willows', 'start_paragraph_id': 1, 'start_character': 194, 'end_paragraph_id': 1, 'end_character': 198, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Rat', 'provenance': [{'wikipedia_id': '45133', 'title': 'The Wind in the Willows', 'start_paragraph_id': 1, 'start_character': 200, 'end_paragraph_id': 1, 'end_character': 203, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mr. Badger', 'provenance': [{'wikipedia_id': '45133', 'title': 'The Wind in the Willows', 'start_paragraph_id': 33, 'start_character': 12, 'end_paragraph_id': 33, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Main characters.\n'}]}, {'answer': 'Mr. Toad', 'provenance': [{'wikipedia_id': '45133', 'title': 'The Wind in the Willows', 'start_paragraph_id': 32, 'start_character': 12, 'end_paragraph_id': 32, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Main characters.\n'}]}]