Question: where is ruthenium found on the periodic table
[{'answer': 'the platinum group', 'provenance': [{'wikipedia_id': '25600', 'title': 'Ruthenium', 'start_paragraph_id': 1, 'start_character': 116, 'end_paragraph_id': 1, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25600', 'title': 'Ruthenium', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 771, 'bleu_score': 0.7916954541459871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7718055941409177260}, 'section': 'Section::::Abstract.'}]}]