Question: what does the ncc stand for on the starship enterprise
[{'answer': 'Naval Construction Contract', 'provenance': [{'wikipedia_id': '589658', 'title': 'USS Enterprise (NCC-1701)', 'start_paragraph_id': 8, 'start_character': 560, 'end_paragraph_id': 8, 'end_character': 587, 'bleu_score': 1.0, 'section': 'Section::::Development and production.:Concept and initial design.\n'}]}]