Question: what's the purpose of the space needle
[{'answer': "the 1962 World 's Fair", 'provenance': [{'wikipedia_id': '242937', 'title': 'Space Needle', 'start_paragraph_id': 30, 'start_character': 171, 'end_paragraph_id': 30, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::History.:After the Fair.\n'}]}, {'provenance': [{'wikipedia_id': '242937', 'title': 'Space Needle', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 291, 'bleu_score': 0.859373504233337, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2769361052390516785}, 'section': 'Section::::Abstract.'}]}]