Question: who wrote the majority opinion in mcdonald v. chicago
[{'answer': 'Justice Alito', 'provenance': [{'wikipedia_id': '23070367', 'title': 'McDonald v. City of Chicago', 'start_paragraph_id': 28, 'start_character': 185, 'end_paragraph_id': 28, 'end_character': 198, 'bleu_score': 1.0, 'section': 'Section::::Decision.:Majority.\n'}]}, {'answer': 'Justice Thomas', 'provenance': [{'wikipedia_id': '23070367', 'title': 'McDonald v. City of Chicago', 'start_paragraph_id': 20, 'start_character': 27, 'end_paragraph_id': 20, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::"McDonald v. Chicago" as compared to "NRA v. Chicago".:Legal basis for incorporation.\n'}]}]