Question: who discovered that dna can be transferred from one bacterium to another
[{'answer': 'British bacteriologist Frederick Griffith', 'provenance': [{'wikipedia_id': '583438', 'title': 'Transformation (genetics)', 'start_paragraph_id': 6, 'start_character': 65, 'end_paragraph_id': 6, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '583438', 'title': 'Transformation (genetics)', 'start_paragraph_id': 6, 'start_character': 181, 'end_paragraph_id': 6, 'end_character': 1229, 'bleu_score': 0.893067114371444, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2487960545815902773}, 'section': 'Section::::History.\n'}]}]