Question: when did supply side economic policies begin to grow in popularity
[{'answer': 'the Ronald Reagan administration'}, {'provenance': [{'wikipedia_id': '174607', 'title': 'Supply-side economics', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 364, 'bleu_score': 0.742034796158979, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10823925664652674287}, 'section': 'Section::::Abstract.'}]}]