Question: who founded the american institute of public opinion in 1935
[{'answer': 'George Gallup', 'provenance': [{'wikipedia_id': '5367625', 'title': 'Gallup (company)', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]