Question: what are the products of helium burning in a star
[{'answer': 'carbon - 12'}, {'provenance': [{'wikipedia_id': '93188', 'title': 'Triple-alpha process', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 445, 'bleu_score': 0.81457115759065, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2233702189390359634}, 'section': 'Section::::Triple-alpha process in stars.\n'}]}]