Question: What is the original broadcaster of the NHL, on the network that first aired Delta?

full_context: Document 1: One Day at a Time: One Day at a Time is an American sitcom that aired on CBS from December 16, 1975, until May 28, 1984. It starred Bonnie Franklin as a divorced mother raising two teenaged daughters in Indianapolis. The daughters were played by Mackenzie Phillips and Valerie Bertinelli.
Document 2: Arena Football League: Beginning with the 2003 season, the AFL made a deal with NBC to televise league games, which was renewed for another two years in 2005. In conjunction with this, the league moved the beginning of the season from May to February (the week after the NFL's Super Bowl) and scheduled most of its games on Sunday instead of Friday or Saturday as it had in the past. In 2006, because of the XX Winter Olympic Games, the Stanley Cup playoffs and the Daytona 500, NBC scaled back from weekly coverage to scattered coverage during the regular season, but committed to a full playoff schedule ending with the 20th ArenaBowl. NBC and the Arena Football League officially severed ties on June 30, 2006, having failed to reach a new broadcast deal. Las Vegas owner Jim Ferraro stated during a radio interview that the reason why a deal failed is because ESPN refused to show highlights or even mention a product being broadcast on NBC.
Document 3: Benson (TV series): Benson is an American sitcom that originally aired on ABC from September 13, 1979, to April 19, 1986. The series was a spin-off of "Soap" in which the character Benson, portrayed by Robert Guillaume, first appeared as the wise-cracking yet level-headed African-American butler for the highly dysfunctional Tate family. However, "Benson" eschewed the soap opera format of its parent series for a more conventional sitcom structure, and the lead character eventually moved from his service position to a role as lieutenant governor. The series was created by Susan Harris, and produced by Witt/Thomas/Harris Productions. In 1985, Guillaume won an Emmy Award for Outstanding Lead Actor in a Comedy Series for his role in the series.
Document 4: NHL on ABC: The NHL on ABC is the branding formerly used for broadcasts of National Hockey League (NHL) games televised on the American Broadcasting Company (ABC) in the United States. The network first broadcast NHL games during the 1992–93 season under a time-buy agreement with ESPN; ABC resumed regular season game telecasts on February 6, 2000, as part of a joint contract with ESPN that also gave ABC the rights to select games from each round of the Stanley Cup playoffs.
Document 5: Delta (TV series): Delta is an American sitcom starring Delta Burke that aired on ABC from September 15, 1992 to August 25, 1993. It was a new starring vehicle for Burke, as her return to television following her dismissal from the CBS sitcom "Designing Women" in the spring of 1991.
Document 6: CBC Television: One of the most popular shows on CBC Television is the weekly Saturday night broadcast of NHL hockey games, Hockey Night in Canada. It has been televised by the network since 1952. During the NHL lockout and subsequent cancellation of the 2004-2005 hockey season, CBC instead aired various recent and classic movies, branded as Movie Night in Canada, on Saturday nights. Many cultural groups criticized this and suggested the CBC air games from minor hockey leagues; the CBC responded that most such broadcast rights were already held by other groups, but it did base each Movie Night broadcast from a different Canadian hockey venue. Other than hockey, CBC Sports properties include Toronto Raptors basketball, Toronto FC Soccer, and various other amateur and professional events.
Document 7: Arena Football League: On December 19, 2006, ESPN announced the purchase of a minority stake in the AFL. This deal included television rights for the ESPN family of networks. ESPN would televise a minimum of 17 regular season games, most on Monday nights, and nine playoff games, including ArenaBowl XXI on ABC. The deal resulted in added exposure on ESPN's SportsCenter. However, after the original AFL filed for bankruptcy, this arrangement did not carry over to the new AFL, which is a separate legal entity.
Document 8: PGA Tour on ABC: PGA Tour on ABC is the "de facto" branding used for telecasts of the main professional golf tournaments of the PGA Tour on the American Broadcasting Company (ABC) television network in the United States. ABC broadcast the PGA Tour from 1966 to 2006. From 1962 to 2009, ABC served as the broadcast home of The Open Championship. The British Open on ABC was the longest-running entertainment program in ABC's history and the last-surviving ABC program to debut in the "circle a" era. ABC also held the broadcast rights of the US Open from 1966 through 1994. and the PGA Championship from 1965 until 1990.
Document 9: All in the Family: All in the Family is an American sitcom TV - series that was originally broadcast on the CBS television network for nine seasons, from January 1971 to April 1979. The following September, it was retitled Archie Bunker's Place, which picked up where All in the Family had ended and ran for four more seasons.
Document 10: ESPN College Basketball on ABC: ESPN College Basketball on ABC (originally College Basketball on ABC) is the branding formerly used for broadcasts of NCAA Division I college basketball games produced by ESPN, and televised on the American Broadcasting Company (ABC). ABC broadcast select college basketball games during the 1960s and 1970s, before it began televising them on a regular basis on January 18, 1987 (involving a game between the LSU Tigers and Kentucky Wildcats). As CBS and NBC were also broadcasting college games at the time, this put the sport on all three major broadcast television networks. ABC's final regular college basketball broadcast aired on March 7, 2009 (between the Oklahoma State Cowboys and Oklahoma Sooners).
Document 11: Ellen (TV series): Ellen is an American television sitcom that aired on the ABC network from March 29, 1994, to July 22, 1998, consisting of 109 episodes. The title role is Ellen Morgan, played by stand-up comedian Ellen DeGeneres, a neurotic bookstore owner in her thirties. The title of the series was These Friends of Mine for the first season, but it was subsequently changed to avoid confusion with the NBC series "Friends", which premiered in September 1994.
Document 12: NHL on CBS: The NHL on CBS is the branding used for broadcasts of National Hockey League (NHL) games produced by CBS Sports, the sports division of the CBS television network in the United States, for three separate periods from 1957 to 1960, 1967 to 1972 and 1979 to 1980. With the original 1957 game telecasts, CBS became the first American television network to broadcast NHL games.
Document 13: ESPN College Football on ABC: ESPN College Football on ABC (branded for sponsorship purposes as ESPN College Football on ABC presented by Walmart or Kay Jewelers) is the branding used for broadcasts of National Collegiate Athletic Association (NCAA) Division I Football Bowl Subdivision (FBS) college football games that are produced by ESPN, and televised on the American Broadcasting Company (ABC) in the United States. ABC first began broadcasting regular season college football games in 1950 and has aired them on an annual basis since 1966. The network features games from The American, Atlantic Coast, Big Ten, Big 12, and Pac-12 conferences. In addition, ESPN also produces a separate prime time regular-season game package for ABC, under the umbrella brand "Saturday Night Football". (ESPN and ABC are both owned by The Walt Disney Company).
Document 14: DAG (American TV series): DAG is an American sitcom that aired from November 2000 to May 2001 on NBC. It was named after its star, David Alan Grier, who stars as United States Secret Service agent Jerome Daggett. Daggett's name, in turn, is a back-formation. The show also stars Delta Burke as the First Lady of the United States of America.
Document 15: Thea (TV series): Thea is an American sitcom that premiered September 8, 1993 on ABC, and last aired on February 16, 1994, for a total of 19 episodes. Starring comedian Thea Vidale, the series marked the first time an African American female comedian was the star of a series named after her.
ground_truth: American Broadcasting Company
sub_queries: Delta >> original broadcaster Answer: ABC
NHL on ABC >> original broadcaster Answer: American Broadcasting Company