Question: what is billy last name in where the red fern grows
[{'answer': 'Colman', 'provenance': [{'wikipedia_id': '1301931', 'title': 'Where the Red Fern Grows', 'start_paragraph_id': 3, 'start_character': 55, 'end_paragraph_id': 3, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'answer': 'Billy Colman', 'provenance': [{'wikipedia_id': '1301931', 'title': 'Where the Red Fern Grows', 'start_paragraph_id': 3, 'start_character': 49, 'end_paragraph_id': 3, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '1301931', 'title': 'Where the Red Fern Grows', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 221, 'bleu_score': 0.504270003311985, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10336869586027110834}, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '1301931', 'title': 'Where the Red Fern Grows', 'section': 'Section::::Plot summary.\n', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['Billy Colman', "When leaving work in Idaho's Snake River Valley, Billy Colman sees a pack of dogs attacking a stray coonhound.", "When leaving work in Idaho's Snake River Valley, Billy Colman sees a pack of dogs attacking a stray coonhound. He rescues, feeds, and eventually releases the stray, allowing it to return home. The experience reminds Billy of his childhood in the Ozark Mountains of Oklahoma."]}}]}, {'provenance': [{'wikipedia_id': '31194692', 'title': 'Where the Red Fern Grows (2003 film)', 'section': 'Section::::Differences between the film and the book.\n', 'start_paragraph_id': 20, 'end_paragraph_id': 20, 'meta': {'evidence_span': ['While the book and 1974 film version depict Billy Coleman to have long blond hair, the Billy Coleman in the 2003 film has short, dark brown hair.', 'Ann" in it, and decides to name his dogs Old Dan and Little Ann. While the book and 1974 film version depict Billy Coleman to have long blond hair, the Billy Coleman in the 2003 film has short, dark brown hair. The novel depicted the coon hunting competition to last about six nights, whereas the two film versions place it at four nights. In the novel and 1974 film version, Billy Coleman, his dogs, and the two Pritchard boys Rainie and Rubin hunt for the legendary ghost coon at night, but in the 2003 film, they hunt for the ghost coon at daylight. Also, the 2003 film placed the boys\' betted money at five dollars, while the 1974 film and novel, place the money at two dollars.']}}]}]