Question: what is the smallest 4 digit prime number
[{'answer': '1009', 'provenance': [{'wikipedia_id': '442370', 'title': 'List of prime numbers', 'start_paragraph_id': 29, 'start_character': 60, 'end_paragraph_id': 29, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Lists of primes by type.:Cuban primes.\n'}]}]