Question: who established the first american psychology research lab
[{'answer': 'G. Stanley Hall', 'provenance': [{'wikipedia_id': '1573230', 'title': 'History of psychology', 'start_paragraph_id': 5, 'start_character': 101, 'end_paragraph_id': 5, 'end_character': 116, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'provenance': [{'wikipedia_id': '1573230', 'title': 'History of psychology', 'start_paragraph_id': 62, 'start_character': 0, 'end_paragraph_id': 62, 'end_character': 1065, 'bleu_score': 0.987987443031558, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11312097558479712356}, 'section': 'Section::::Early American.\n'}]}]