Question: What is the country of citizenship of the father of Pacific Ocean Blue's performer?

full_context: Document 1: Pacific Ocean Blues: A backing track was reportedly recorded by late 1975 and was Dennis Wilson's only submission for The Beach Boys 1976 album "15 Big Ones", though it was turned down by the band. The completed version, although a hard rocker, features water sound effects. Dennis has been quoted as calling the song "my least favorite cut" on the album as he reportedly felt that the song sounded incomplete.
Document 2: Break Away (The Beach Boys song): "Break Away" is a song written by Brian and Murry Wilson for American rock band the Beach Boys, released as a single in 1969. Murry was credited as lyricist under the pseudonym "Reggie Dunbar". The single was relatively unsuccessful compared to the group's releases, and charted at No. 63 in the US "Billboard" 100 (top 40 in the "Cash Box" and "Record World" charts). "Break Away" sold better abroad, reaching No. 6 in the UK, No. 10 in Ireland, No. 17 in the Netherlands, No. 20 in New Zealand, and No. 29 in Germany.
Document 3: Classics Selected by Brian Wilson: Classics selected by Brian Wilson is a compilation of songs by The Beach Boys and released through Capitol Records in mid-2002. It was compiled by Brian Wilson himself that February. It includes a new recording of an unreleased 1970s track, "California Feelin'" not by The Beach Boys but Wilson and his live band.
Document 4: Farewell My Friend: "Farewell My Friend" is a song written by Dennis Wilson. It was released as the tenth track for his 1977 solo album "Pacific Ocean Blue". The song was released as a single in Europe as the B-side of the "River Song" single. The single however, failed to chart. The track, as with the rest of the album, was credited as having been produced by Dennis Wilson and his close friend Gregg Jakobson. Dennis Wilson sings the lead vocals on this and every other track on the album. The song also features vocals from his brother, Carl Wilson.
Document 5: You and I (Dennis Wilson song): "You and I" is a song written by Dennis Wilson, his former wife Karen Lamm-Wilson and close friend Gregg Jakobson. It was released as the eighth track on Dennis Wilson's 1977 debut solo album "Pacific Ocean Blue". The song was released as a single in the United States, with the B-side being "Friday Night". The single failed to chart. The track, as with the rest of the album, was credited as being produced by Dennis Wilson and his close friend Gregg Jakobson.
Document 6: Don't Worry Baby: ``Do n't Worry Baby ''is a song written by Brian Wilson and Roger Christian, produced by Wilson and first recorded by the American rock band The Beach Boys. The band's version, a tender ballad with falsetto lead vocal by Wilson, was first released on their 1964 album Shut Down Volume 2. It was also released as the B - side of The Beach Boys' first US number - one,`` I Get Around'', also reaching number 24 on the Billboard Hot 100 in its own right.
Document 7: Get Away (Bobby Brown song): "Get Away" is a song performed and co-written by Bobby Brown, issued as the third single from his album "Bobby". In 1993, the song peaked at #14 on the "Billboard" Hot 100, as well as reaching #1 on the "Billboard" dance chart.
Document 8: Ballad of Easy Rider: "Ballad of Easy Rider" is a song written by Roger McGuinn, with input from Bob Dylan (although Dylan is not credited as a co-writer), for the 1969 film, "Easy Rider". The song was initially released in August 1969 on the "Easy Rider" soundtrack album as a Roger McGuinn solo performance. It was later issued in an alternate version as a single by McGuinn's band the Byrds on October 1, 1969. The Byrds' single reached number 65 on the "Billboard" Hot 100 and was issued in most international territories, although it was not released in the United Kingdom.
Document 9: Ode to Billie Joe: "Ode to Billie Joe" was originally intended as the B-side of Gentry's first single recording, a blues number called "Mississippi Delta", on Capitol Records. The original recording, with no other musicians backing Gentry's guitar according to some reports, had eleven verses lasting eight minutes, telling more of Billie Joe's story. The executives realized that this song would work best as a single, so they cut the length by almost half and added background music, strings, two cellos and four violins, according to Gentry.
Document 10: Dreamer (Dennis Wilson song): "Dreamer" is a song written by Dennis Wilson and his close friend Gregg Jakobson. It was released as the fifth track on Dennis Wilson's 1977 solo album "Pacific Ocean Blue". The track, as with the rest of the album, was credited as being produced by Dennis Wilson and Gregg Jakobson.
Document 11: Good Vibrations: ``Good Vibrations ''is a song composed by Brian Wilson with words by Mike Love for the American rock band the Beach Boys, of which both were members. Released on October 10, 1966, the single was an immediate critical and commercial hit, topping record charts in several countries including the US and UK. Characterized by its complex soundscapes, episodic structure, and subversions of pop music formula, it was the costliest single ever recorded at the time of its release.`` Good Vibrations'' later became widely acclaimed as one of the greatest masterpieces of rock music.
Document 12: River Song (Dennis Wilson song): "River Song" is a song written by Dennis Wilson and his younger brother Carl Wilson. It served as the opening track for Dennis Wilson's 1977 debut solo album "Pacific Ocean Blue". The song was released as a single in Europe with the B-side being "Farewell My Friend". The single however, failed to chart. The track, as with the rest of the album, was credited as being produced by Dennis and his close friend Gregg Jakobson. Dennis Wilson sings the lead vocals on this and every other track on the album.
Document 13: 15 Big Ones: 15 Big Ones is the 20th studio album by American rock group The Beach Boys released in July 1976. It comprises cover versions of rock and roll and rhythm and blues standards, along with a few new originals. The album was met with mixed reviews, but the highest sales the band had for a new studio album in many years, peaking at number 8 on the weekly "Billboard" albums chart. Three singles were issued: a cover of Chuck Berry's "Rock and Roll Music" and the originals "It's O.K." and "Everyone's in Love with You". The first two charted on the "Billboard" Hot 100 at numbers 5 and 29, respectively, and ultimately became their only top 10 hit during the 1970s.
Document 14: Breakaway (Kelly Clarkson song): "Breakaway" is a song recorded by American singer Kelly Clarkson. The song, written by Matthew Gerrard, Bridget Benenate and Avril Lavigne, was originally intended for Lavigne's debut studio album, "Let Go" (2002). After being deemed unsuitable for the album, it was passed to Clarkson to be recorded as a soundtrack for the film "". Clarkson, who was finishing her second studio album at that time, recorded "Breakaway" to tide her fans over until the first single from her new album was released. However, the song's success prompted its inclusion on Clarkson's second album where she decided to name the album after the song. "Breakaway" was first released by Walt Disney Records as the first single from on July 19, 2004. In May 2006, "Breakaway" was reissued as the fifth and final single from the album of the same name.
Document 15: The Many Moods of Murry Wilson: The Many Moods of Murry Wilson is the sole album release by Murry Wilson, the father of Brian, Carl and Dennis Wilson and uncle of Mike Love of The Beach Boys. The album was released on Capitol Records in 1967, the same record label that The Beach Boys were contracted to at the time.
ground_truth: America
sub_queries: Pacific Ocean Blue >> performer Answer: Dennis Wilson
Dennis Wilson >> father Answer: Murry Wilson
Murry Wilson >> country of citizenship Answer: America