Question: who is the owner of holland america line
[{'answer': 'Carnival Corporation & plc .', 'provenance': [{'wikipedia_id': '319608', 'title': 'Holland America Line', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '319608', 'title': 'Holland America Line', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 210, 'bleu_score': 0.7253152806161851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4601776528697318651}, 'section': 'Section::::Abstract.'}]}]