Question: how many elements in the current periodic table
[{'answer': '118', 'provenance': [{'wikipedia_id': '23053', 'title': 'Periodic table', 'start_paragraph_id': 3, 'start_character': 54, 'end_paragraph_id': 3, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23053', 'title': 'Periodic table', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 452, 'bleu_score': 0.9432477065696491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8378287382402071307}, 'section': 'Section::::Overview.\n'}]}]