Question: where does dna synthesis begin on a chromosome
[{'answer': 'Primase', 'provenance': [{'wikipedia_id': '9015', 'title': 'DNA replication', 'start_paragraph_id': 21, 'start_character': 85, 'end_paragraph_id': 21, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Replication process.:Elongation.\n'}]}]