Question: Who was the Irish guitarist who was a member of the band Spooky Tooth and was also involved with the recording of the song "Give Ireland Back to the Irish"?

Context paragraphs:
Give Ireland Back to the Irish: "Give Ireland Back to the Irish" is a song written by Paul and Linda McCartney in response to the events of Bloody Sunday in Northern Ireland on 30 January 1972.  Recorded on 1 February 1972 at Abbey Road, in London, it was released as Wings' debut single on 25 February 1972 in the UK, and a few days later in the US.  It was the first recorded song by the band to include Irish guitarist Henry McCullough.  A rehearsal of the band playing the song was filmed.

Mick Jones (Foreigner guitarist): Michael Leslie Jones (born 27 December 1944) is an English musician, singer, songwriter, and record producer, best known as the founding member of the British-American rock band Foreigner.  Prior to Foreigner, he was in the band Spooky Tooth.

Rainbow Rider (album): Rainbow Rider is the third solo album by Mike Harrison, most notable as a principal lead singer for Spooky Tooth.  It was released in 1975, on Island Records.  In addition to being part of Harrison's body of solo work, the album is notable as containing one of the earlier and comparatively rare recordings of the Bob Dylan song, "I'll Keep It With Mine", written in 1964 and recorded by Nico, Fairport Convention and Marianne Faithfull, among others.  The album was recorded in Nashville, subsequent to Harrison's departure from Spooky Tooth, following the release of "Witness" (1973).  The album features a number of Nashville's best known session musicians of that time, as well as Morgan Fisher, then of Mott the Hoople, and Mick Jones, then of Spooky Tooth and later founder of Foreigner.

Spooky Two: Spooky Two is the second studio album by the English rock band Spooky Tooth.  It was originally released in March 1969, on the label Island Records in 1969 (licensed to A&M in the United States).

The Mirror (Spooky Tooth album): The Mirror is an album by the British rock band Spooky Tooth.  It was the first Spooky Tooth album to be released without contributions from Mike Harrison.  It also was their last album for nearly twenty-five years, until "Cross Purpose" in 1999.  "The Mirror" was released in October 1974, one month after group members had permanently disbanded.  Members went on to form such bands as Foreigner and The Only Ones.

Gary Wright: Gary Malcolm Wright (born April 26, 1943) is an American singer, songwriter and musician, best known for his 1976 hit songs "Dream Weaver" and "Love Is Alive", and for his role in helping establish the synthesizer as a leading instrument in rock and pop music.  Wright's breakthrough album, "The Dream Weaver" (1975), came after he had spent seven years in London as, alternately, a member of the British heavy rock band Spooky Tooth and a solo artist on A&M Records.  While in England, he played keyboards on former Beatle George Harrison's "All Things Must Pass" triple album (1970), so beginning a friendship that inspired the Indian religious themes and spirituality inherent in Wright's subsequent songwriting.  His work since the late 1980s has embraced world music and the new age genre, although none of his post-1976 releases has matched the popularity of "The Dream Weaver".

The Last Puff: The Last Puff is a rock album by the British band Spooky Tooth.  For the only time in its history, the band was billed as "Spooky Tooth featuring Mike Harrison".  The band broke up shortly after the album's release, only to re-form two years later.  "Something to Say" was written by Joe Cocker and appeared on his 1972 album "Joe Cocker".

Better by You, Better than Me: "Better by You, Better than Me" is a 1969 song by the English rock band Spooky Tooth.  The song was covered in 1978 by heavy metal band Judas Priest.

Mike Harrison (album): Mike Harrison is the first solo album by Spooky Tooth principal lead singer Mike Harrison, released on Island Records in 1971.  It was recorded and released after Spooky Tooth had broken up for the first time, following the release of their album "The Last Puff" (1970).  Harrison's backing band on the album was the Carlisle band Junkyard Angel.

Henry McCullough: Henry Campbell Liken McCullough (21 July 1943 – 14 June 2016) was a Northern Irish guitarist, singer and songwriter.  He was best known for his work as a member of Spooky Tooth, The Grease Band, and Wings.  He also performed and recorded as a solo artist and session musician.

Supporting paragraphs: Give Ireland Back to the Irish Henry McCullough
Answer: Henry McCullough