Question: what group is silicon (si) in
[{'answer': '14', 'provenance': [{'wikipedia_id': '27114', 'title': 'Silicon', 'start_paragraph_id': 1, 'start_character': 67, 'end_paragraph_id': 1, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27114', 'title': 'Silicon', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1097, 'bleu_score': 0.9560374858097671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9880779536725562992}, 'section': 'Section::::Abstract.'}]}]