Question: what is the tip of south america called
[{'answer': 'Cape Horn', 'provenance': [{'wikipedia_id': '299035', 'title': 'Strait of Magellan', 'start_paragraph_id': 2, 'start_character': 249, 'end_paragraph_id': 2, 'end_character': 258, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '299035', 'title': 'Strait of Magellan', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 831, 'bleu_score': 0.9855586187885531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17647862517563152591}, 'section': 'Section::::History.:Incorporation into Chile.\n'}]}]