Question: how many sobeys stores are there in canada
[{'answer': 'over 1,500', 'provenance': [{'wikipedia_id': '320852', 'title': 'Sobeys', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '320852', 'title': 'Sobeys', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 405, 'bleu_score': 0.9288452763820371, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1780777828598634355}, 'section': 'Section::::Abstract.'}]}]