Question: what are the characters names in scooby doo
[{'answer': 'Scooby - Doo', 'provenance': [{'wikipedia_id': '31871202', 'title': 'List of Scooby-Doo characters', 'start_paragraph_id': 136, 'start_character': 72, 'end_paragraph_id': 136, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Introduced in "Scooby-Doo! Mystery Incorporated".:The Evil Entity.\n'}]}, {'answer': 'Shaggy Rogers', 'provenance': [{'wikipedia_id': '31871202', 'title': 'List of Scooby-Doo characters', 'start_paragraph_id': 1, 'start_character': 248, 'end_paragraph_id': 1, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Fred Jones', 'provenance': [{'wikipedia_id': '31871202', 'title': 'List of Scooby-Doo characters', 'start_paragraph_id': 1, 'start_character': 263, 'end_paragraph_id': 1, 'end_character': 273, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Velma Dinkley', 'provenance': [{'wikipedia_id': '31871202', 'title': 'List of Scooby-Doo characters', 'start_paragraph_id': 1, 'start_character': 275, 'end_paragraph_id': 1, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Daphne Blake', 'provenance': [{'wikipedia_id': '31871202', 'title': 'List of Scooby-Doo characters', 'start_paragraph_id': 1, 'start_character': 294, 'end_paragraph_id': 1, 'end_character': 306, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31871202', 'title': 'List of Scooby-Doo characters', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 755, 'bleu_score': 0.9698117965004671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6793240933146757933}, 'section': 'Section::::Abstract.'}]}]