Question: the island bear grylls how long are they there
[{'answer': 'six weeks', 'provenance': [{'wikipedia_id': '42812650', 'title': 'The Island with Bear Grylls', 'start_paragraph_id': 8, 'start_character': 113, 'end_paragraph_id': 8, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Premise.\n'}]}, {'provenance': [{'wikipedia_id': '42812650', 'title': 'The Island with Bear Grylls', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 122, 'bleu_score': 0.910879922930628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3583594642788930609}, 'section': 'Section::::Premise.\n'}]}]