Question: who is credited with discovering the effect of genetics on plant characteristics
[{'answer': 'Gregor Mendel', 'provenance': [{'wikipedia_id': '22346936', 'title': 'Plant genetics', 'start_paragraph_id': 2, 'start_character': 31, 'end_paragraph_id': 2, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]