Question: where does the chesterfield canal begin and end
[{'answer': 'Chesterfield , Derbyshire', 'provenance': [{'wikipedia_id': '166892', 'title': 'Chesterfield Canal', 'start_paragraph_id': 1, 'start_character': 314, 'end_paragraph_id': 1, 'end_character': 339, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'River Trent at West Stockwith , Nottinghamshire'}]