Context: By 1987, CBS was the only "big three" American TV network to have a co-owned record company. ABC had sold its record division to MCA Records in 1979, and in 1986, NBC's parent company RCA was sold to General Electric, who then sold off all other RCA units, including the record division (which was bought by Ariola Records, later known as BMG).

Question: In what year was CBS the only network to also have a record company?
Answer: 1987

Question: What label did ABC sell in 1979?
Answer: MCA Records

Question: What label did NBC sell in 1986?
Answer: RCA

Question: Who bought RCA?
Answer: Ge

Question: By 1997, which network was the only "big three" to also have its own record company?
Answer: Unanswerable

Question: CBA sold its record division to whom in 1979?
Answer: Unanswerable

Question: RCA's parent company NBC was sold to whom ?
Answer: Unanswerable

Question: BMG was later known as what Ariola what?
Answer: Unanswerable

Question: In what year was RCA's parent company NBC sold to General Electric?
Answer: Unanswerable