Question: who is given credit for disproving spontaneous generation
[{'answer': 'John Tyndall', 'provenance': [{'wikipedia_id': '150135', 'title': 'Spontaneous generation', 'start_paragraph_id': 2, 'start_character': 457, 'end_paragraph_id': 2, 'end_character': 469, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '150135', 'title': 'Spontaneous generation', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 1357, 'bleu_score': 0.9793643865320981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2451855657798799398}, 'section': 'Section::::Modern tests.:Pasteur and Tyndall.\n'}]}]