Question: what was on the bottom of the barrel in breaking bad
[{'answer': 'a GPS tracker', 'provenance': [{'wikipedia_id': '36581399', 'title': 'Fifty-One', 'start_paragraph_id': 6, 'start_character': 147, 'end_paragraph_id': 6, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '36581399', 'title': 'Fifty-One', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 910, 'bleu_score': 0.964458260723916, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16387249929776052645}, 'section': 'Section::::Plot.\n'}]}]