Question: What was the nationality of the star of "Bob"?

<P0-S0>  Newhart came to prominence in the 1960s when his album of comedic monologues, "The Button-Down Mind of Bob Newhart", became a worldwide bestseller and reached number one on the "Billboard" pop album chart—it remains the 20th-best selling comedy album in history. <P0-S1> George Robert Newhart (born September 5, 1929) is an American stand-up comedian and actor, noted for his deadpan and slightly stammering delivery. <P0-S2>  The follow-up album, "The Button-Down Mind Strikes Back!" <P0-S3> , was also a massive success, and the two albums held the "Billboard" number one and number two spots simultaneously. <SEP> <P1-S0> Bob is an American sitcom which aired on CBS from September 18, 1992, to December 27, 1993, with a total of 33 half-hour episodes spanning over two seasons. <P1-S1>  Bill Steinkellner, Cheri Steinkellner, and Phoef Sutton comprised the creative writing team behind the show. <P1-S2>  It was the third starring vehicle sitcom for Bob Newhart, and proved to be far less successful than "The Bob Newhart Show" and "Newhart", his previous outings with the network. <P1-S3>  The series was produced by Paramount Television. <SEP> <P2-S0> "Dark Star" is a song released as a single by the Grateful Dead on Warner Bros. records in 1968. <P2-S1>  It was written by lyricist Robert Hunter and composed by lead guitarist Jerry Garcia; however, compositional credit is sometimes extended to include Phil Lesh, Bill Kreutzmann, Mickey Hart, Ron "Pigpen" McKernan, and Bob Weir. <P2-S2>  "Dark Star" was an early Grateful Dead classic and became one of their most loved and anticipated numbers, often with the group using it as a vehicle for musical improvisation sessions that extended beyond the original structure of the song. <P2-S3>  The song is included in The Rock and Roll Hall of Fame's 500 Songs that Shaped Rock and Roll list and was ranked at number 57 on Rolling Stone's 100 Greatest Guitar Songs of All Time. <P2-S4>  "Dark Star" was often the basis for jamming during the Dead's live shows, allowing the band to employ techniques typical of improvisational jazz. <SEP> <P3-S0> The 1987–88 Chicago Black Hawks were coming off a year in which they finished third in the Norris Division and were swept in the first round of the playoffs by the Detroit Red Wings. <P3-S1>  The Hawks made several moves in the offseason with GM Bob Pulford replacing himself as coach with Bob Murdoch and trading young star Eddie Olczyk and old star Al Secord to the Toronto Maple Leafs for wingers Rick Vaive and Steve Thomas and defenseman Bob McGill. <P3-S2>  Goaltender Bob Mason was the summer's big free agent signing. <P3-S3>  Though relatively untested at the NHL level, Mason was in demand after an impressive performance in the 1987 playoffs. <P3-S4>  In addition to Mason, the team signed Ed Belfour, who had just backstopped the University of North Dakota to the NCAA championship, and used their number one pick in the June draft to select Jimmy Waite from the Quebec major junior league. <P3-S5>  The Blackhawks regular goaltenders from the previous season, veterans Murray Bannerman and Bob Sauve, never played another regular season game for Chicago. <P3-S6>  The Blackhawks also acquired Duane Sutter from the New York Islanders in exchange for a 1988 2nd round pick.