Question: when was the group areas act law passed
[{'answer': '7 July 1950', 'provenance': [{'wikipedia_id': '2283506', 'title': 'Group Areas Act', 'start_paragraph_id': 2, 'start_character': 74, 'end_paragraph_id': 2, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]