Question: what is the abbreviation for an element called
[{'answer': 'symbol', 'provenance': [{'wikipedia_id': '63243', 'title': 'Symbol (chemistry)', 'start_paragraph_id': 1, 'start_character': 40, 'end_paragraph_id': 1, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '63243', 'title': 'Symbol (chemistry)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 338, 'bleu_score': 0.567170990165592, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10306312031048948782}, 'section': 'Section::::Abstract.'}]}]