Question: 1967 supreme court case loving v virginia a case which legally allowed
[{'answer': 'interracial marriage', 'provenance': [{'wikipedia_id': '347332', 'title': 'Loving v. Virginia', 'start_paragraph_id': 1, 'start_character': 130, 'end_paragraph_id': 1, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]