Question: when was the gestalt school of psychology founded
[{'answer': '1890', 'provenance': [{'wikipedia_id': '70402', 'title': 'Gestalt psychology', 'start_paragraph_id': 6, 'start_character': 76, 'end_paragraph_id': 6, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'provenance': [{'wikipedia_id': '70402', 'title': 'Gestalt psychology', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 540, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11300453574572050134}, 'section': 'Section::::Origins.\n'}]}]