Question: where does the bruce trail start and finish
[{'answer': 'Niagara River', 'provenance': [{'wikipedia_id': '174562', 'title': 'Bruce Trail', 'start_paragraph_id': 1, 'start_character': 71, 'end_paragraph_id': 1, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tobermory , Ontario', 'provenance': [{'wikipedia_id': '174562', 'title': 'Bruce Trail', 'start_paragraph_id': 1, 'start_character': 99, 'end_paragraph_id': 1, 'end_character': 118, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '174562', 'title': 'Bruce Trail', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 0.638084327711956, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14757000905694681406}, 'section': 'Section::::Abstract.'}]}]