Question: who was the first chemist that tried to group elements based on their properties
[{'answer': 'Johann Wolfgang Döbereiner', 'provenance': [{'wikipedia_id': '619795', 'title': 'History of the periodic table', 'start_paragraph_id': 2, 'start_character': 180, 'end_paragraph_id': 2, 'end_character': 206, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '619795', 'title': 'History of the periodic table', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 290, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17721114318640100773}, 'section': 'Section::::First categorizations.\n'}]}]