Question: when was the phrase the american dream coined
[{'answer': '1931', 'provenance': [{'wikipedia_id': '1254002', 'title': 'James Truslow Adams', 'start_paragraph_id': 1, 'start_character': 308, 'end_paragraph_id': 1, 'end_character': 312, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1254002', 'title': 'James Truslow Adams', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 711, 'bleu_score': 0.9844346099707091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17566130564189443860}, 'section': 'Section::::Writer.:American Dream.\n'}]}]