Question: dna polymerase assembles new strands in what direction
[{'answer': "5 ' - 3 '"}, {'provenance': [{'wikipedia_id': '9015', 'title': 'DNA replication', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 299, 'bleu_score': 0.8608126737480261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14105573624248053070}, 'section': 'Section::::Replication process.:Elongation.\n'}]}]