Question: what is the name of the pigment found in beetroot cells
[{'answer': 'Betalains', 'provenance': [{'wikipedia_id': '13441593', 'title': 'Betalain', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13441593', 'title': 'Betalain', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 380, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17787972805370784645}, 'section': 'Section::::Abstract.'}]}]