Question: which major u.s. company was attacked by the wannacry randsomware
[{'answer': 'Microsoft', 'provenance': [{'wikipedia_id': '54027815', 'title': 'WannaCry ransomware attack', 'start_paragraph_id': 1, 'start_character': 144, 'end_paragraph_id': 1, 'end_character': 153, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54027815', 'title': 'WannaCry ransomware attack', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 822, 'bleu_score': 0.6307622928574831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9218581945432791194}, 'section': 'Section::::Description.\n'}]}]