Question: who was the grandfather on the cosby show
[{'answer': 'Earle Hyman', 'provenance': [{'wikipedia_id': '4266556', 'title': 'Earle Hyman', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4266556', 'title': 'Earle Hyman', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 273, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14459083799528860546}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4266556', 'title': 'Earle Hyman', 'section': 'Section::::Life and career.\n', 'start_paragraph_id': 8, 'end_paragraph_id': 8, 'meta': {'evidence_span': ['One of his most well known roles, that of Russell Huxtable in "The Cosby Show", earned him an Emmy Award nomination in 1986. He played the father of lead character Cliff Huxtable, played by actor Bill Cosby, despite only being 11 years older than Cosby.', 'One of his most well known roles, that of Russell Huxtable in "The Cosby Show", earned him an Emmy Award nomination in 1986. He played the father of lead character Cliff Huxtable, played by actor Bill Cosby, despite only being 11 years older than Cosby. Hyman, who never married or had children, died at age 91 on November 17, 2017, at the Lillian Booth Actors Home in Englewood, New Jersey. In Norway he was seen as a friend of the country and had a cabin in Skånevik. Earle Hyman learned speaking Norwegian through his live-in']}}]}, {'provenance': [{'wikipedia_id': '4266556', 'title': 'Earle Hyman', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Russell Huxtable. Hyman was born in Rocky Mount, North Carolina, as George Earle Plummer according to the North Carolina Birth Index.', 'Earle Hyman (October 11, 1926 November 17, 2017) was an American stage, television, and film actor. Hyman is known for his role on "ThunderCats" as the voice of Panthro and various other characters. He also appeared on "The Cosby Show" as Cliff\'s father, Russell Huxtable.', 'Earle Hyman (October 11, 1926 November 17, 2017) was an American stage, television, and film actor. Hyman is known for his role on "ThunderCats" as the voice of Panthro and various other characters. He also appeared on "The Cosby Show" as Cliff\'s father, Russell Huxtable. Hyman was born in Rocky Mount, North Carolina, as George Earle Plummer according to the North Carolina Birth Index. He was of African American and Native American ancestry. His parents, Zachariah Hyman (Tuscarora']}}]}, {'provenance': [{'wikipedia_id': '978583', 'title': 'Phyllis Hyman', 'section': 'Section::::Personal life.\n', 'start_paragraph_id': 14, 'end_paragraph_id': 14, 'meta': {'evidence_span': ['Hyman had no children. Hyman was also the first cousin of actor Earle Hyman, best known for his recurring role on "The Cosby Show" as Cliff\'s father, Russell Huxtable.', 'Hyman was married once to Larry Alexander, who served as her music arranger from 1977 until divorcing in 1982. Hyman had no children. Hyman was also the first cousin of actor Earle Hyman, best known for his recurring role on "The Cosby Show" as Cliff\'s father, Russell Huxtable. In November 1995, Hyman\'s posthumous album, "I Refuse to Be Lonely", was released. Although the project had an overdrawn gestation, to combat the delay in its commercial release, Hyman had started performing the tracks "This Too Shall Pass" and']}}]}]