Question: what number does the bars of tres zapotes represent
[{'answer': '7.16. 6.16. 18'}, {'provenance': [{'wikipedia_id': '3213961', 'title': 'Tres Zapotes', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 655, 'bleu_score': 0.9420590494691341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6281444871106175520}, 'section': 'Section::::Stela C.\n'}]}]