Question: Who was a prominent figure in the radio division of the network of the version of The Biggest Loser: The Final Chance, set in the country where Bokok is located?

Knowledge 1: The Biggest Loser (season 1)
The Biggest Loser (season 1) is the first season of the NBC reality television series entitled "The Biggest Loser", which premiered on October 19, 2004. The show features overweight contestants competing to lose the largest percentage of their body weight and receive the title of 'Biggest Loser,' along with a $250,000 grand prize. The first season featured twelve contestants divided into two teams of six players. The teams were each led by a personal trainer, Bob Harper with the Blue Team and Jillian Michaels with the Red Team. The first season was hosted by Caroline Rhea. [SEP] Knowledge 2: Adult contemporary music
Soft rock reached its commercial peak in the mid-to-late 1970s with acts such as Toto, England Dan & John Ford Coley, Air Supply, Seals and Crofts, America and the reformed Fleetwood Mac, whose Rumours (1977) was the best-selling album of the decade. By 1977, some radio stations, like New York's WTFM and NBC-owned WYNY, had switched to an all-soft rock format. By the 1980s, tastes had changed and radio formats reflected this change, including musical artists such as Journey. Walter Sabo and his team at NBC brought in major personalities from the AM Band to the FM Band taking the format from a background to a foreground listening experience. The addition of major radio stars such as Dan Daniel, Steve O'Brien, Dick Summers, Don Bleu and Tom Parker made it possible to fully monetize the format and provide the foundation for financial success enjoyed to this day [SEP] Knowledge 3: Bokok, Temburong
Bokok is a mukim or subdistrict in the Temburong District of Brunei. It is located in the west of the Temburong District to the south, bordering Mukim Bangar to the north-east, Mukim Amo to the east, Sarawak (Malaysia) to the south and Limbang, Sarawak (Malaysia) to the west. Bokok has a total area of ; as of 2016, it had a total population of 3,583.
Knowledge 1: Bokok, Temburong
Bokok is a mukim or subdistrict in the Temburong District of Brunei. It is located in the west of the Temburong District to the south, bordering Mukim Bangar to the north-east, Mukim Amo to the east, Sarawak (Malaysia) to the south and Limbang, Sarawak (Malaysia) to the west. Bokok has a total area of ; as of 2016, it had a total population of 3,583. [SEP] Knowledge 2: The Biggest Loser Brunei: Lose It All
The Biggest Loser Brunei (season 3): Lose It All is the third season of The Biggest Loser Brunei, which is the Bruneian version of the NBC reality television series The Biggest Loser. This season called Lose It All because this is the biggest show of this Brunei's series and to prove to people for keep losing weight weather on the ranch or outside the ranch. This season premiered March 13, 2012. This season introduce the new trainer, Cristine Phoebe for replacing Juliana Mikael which not return for her third season. [SEP] Knowledge 3: Adult contemporary music
Soft rock reached its commercial peak in the mid-to-late 1970s with acts such as Toto, England Dan & John Ford Coley, Air Supply, Seals and Crofts, America and the reformed Fleetwood Mac, whose Rumours (1977) was the best-selling album of the decade. By 1977, some radio stations, like New York's WTFM and NBC-owned WYNY, had switched to an all-soft rock format. By the 1980s, tastes had changed and radio formats reflected this change, including musical artists such as Journey. Walter Sabo and his team at NBC brought in major personalities from the AM Band to the FM Band taking the format from a background to a foreground listening experience. The addition of major radio stars such as Dan Daniel, Steve O'Brien, Dick Summers, Don Bleu and Tom Parker made it possible to fully monetize the format and provide the foundation for financial success enjoyed to this day
Knowledge 1: Bokok, Temburong
Bokok is a mukim or subdistrict in the Temburong District of Brunei. It is located in the west of the Temburong District to the south, bordering Mukim Bangar to the north-east, Mukim Amo to the east, Sarawak (Malaysia) to the south and Limbang, Sarawak (Malaysia) to the west. Bokok has a total area of ; as of 2016, it had a total population of 3,583. [SEP] Knowledge 2: The Biggest Loser Brunei: Lose It All
The Biggest Loser Brunei (season 3): Lose It All is the third season of The Biggest Loser Brunei, which is the Bruneian version of the NBC reality television series The Biggest Loser. This season called Lose It All because this is the biggest show of this Brunei's series and to prove to people for keep losing weight weather on the ranch or outside the ranch. This season premiered March 13, 2012. This season introduce the new trainer, Cristine Phoebe for replacing Juliana Mikael which not return for her third season. [SEP] Knowledge 3: Calle 7 (season 2)
The second season of Calle 7 began on Monday, August 3 of 2009. The new competitors were presented, and called "Challenging Team", they will team up to compete against the well known "Team Calle 7" that includes the first season winner Francisco "Chapu" Puelles. The competition system is the same as the one utilized in the first season; On Mondays and Wednesdays, the two teams compete in three events, each worth 100, 200 and 300 points. The winner of those days is saved from competing in elimination, while the loser has to compete among themselves on Tuesdays and Thursdays to elect a nominated team member. The elimination competition is on Fridays, and the loser leaves Calle 7 for ever. This season is formally presented Jean Philippe Cretton as the co-host of Calle 7.

Answer: Walter Sabo