Question: during 18th century heer ranjha the famous romantic epic in punjabi was authored by
[{'answer': 'Waris Shah', 'provenance': [{'wikipedia_id': '1784687', 'title': 'Heer Ranjha', 'start_paragraph_id': 1, 'start_character': 198, 'end_paragraph_id': 1, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1784687', 'title': 'Heer Ranjha', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 285, 'bleu_score': 0.8534775365332501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3064498945517252490}, 'section': 'Section::::Abstract.'}]}]