Question: where does the grand canal start and finish
[{'answer': 'Dublin , in the east', 'provenance': [{'wikipedia_id': '441776', 'title': 'Grand Canal (Ireland)', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'River Shannon in the west', 'provenance': [{'wikipedia_id': '441776', 'title': 'Grand Canal (Ireland)', 'start_paragraph_id': 1, 'start_character': 113, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '441776', 'title': 'Grand Canal (Ireland)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 381, 'bleu_score': 0.897547341647235, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7761745521196232992}, 'section': 'Section::::Abstract.'}]}]