Question: When did the band that released the album Build a Rocket Boys!   adopt their present band name ?

Context paragraphs:
Bankstatement: Bankstatement is a studio album by Genesis keyboardist Tony Banks, issued under a band name and released in 1989.  The other band members were singers Alistair Gordon and Jayney Klimek.  Banks had the idea for "Bankstatement" after hearing of the success that Mike + The Mechanics were having in both Europe and America.  It was Banks' third studio album (his first issued under a band name and fifth album overall).  Steve Hillage, of the band Gong, played guitar and co-produced the album with Banks.

The Birthday Party (The Birthday Party album): The Birthday Party is a 1980 album by Australian rock band The Boys Next Door (later reissued under the band name The Birthday Party).  The album was produced by The Boys Next Door, Tony Cohen, and Keith Glass; it was recorded with Cohen engineering at Richmond Recorders Studios in Melbourne from July 1979 to February 1980.

Build a Rocket Boys! Tour: Build a Rocket Boys!  Tour is the fifth concert tour by British band Elbow.  Launched in support of their fifth studio album "Build a Rocket Boys! " (2011), the tour began in March 2011 with a series of one-off concerts in Europe.  A full-production show began in March 2011 in the United Kingdom and Australasia.  It continues into 2012 with shows in North America, Europe and Australasia.

Angel (rock band): Angel is an American heavy metal band from New York City, formed in 1989.  The band was founded and guided by Criss Angel during the explosion of hair metal in the late '80s.  The name of the present band was taken as "Angel" when the glam-rock band formed by Punky Meadows and Mickie Jones gradually dissolved after 1981 (with a brief resurgence in 1987), as its founding members drifted off to other projects.  The present band disbanded when founder Criss Angel decided to go into the direction of industrial rock, and formed Angeldust (after which he pursued a career in magic and illusion).

Elbow (band): Elbow are an English rock band consisting of Guy Garvey (vocals, guitar), Craig Potter (keyboard, piano, backing vocals), Mark Potter (guitar, backing vocals) and Pete Turner (bass guitar, backing vocals).  They have played together since 1990, adopting the Elbow band name in 1997.

Da Mouth: Da Mouth () was a Taiwanese hip hop band made up of MC40, DJ Chung Hua, male vocalist Harry, and female vocalist Aisa.  They were formed in 2007 and disbanded in 2016.  They are considered the Asian The Black Eyed Peas due to the group's diversity.  The band's Chinese band name directly translates into "big mouth".  Their English band name is derived from the concatenation of the Chinese character for "big" 大, which when romanized using pinyin becomes "dà", and the translation of the second half of their Chinese band name.  They released their self-titled debut album "Da Mouth" on 16 November 2007.

Last Falling: Last Falling is an American rock band fronted by multi-intstrumentalist, Bryan Ferguson.  The original lineup formed in 1998 under the name "The Accelerators", revising the band name later in 2003.  According to Ferguson, Last Falling has become more of a reflection of himself, being the youngest of four siblings by eleven years.  The first homemade CD of 3 songs entitled 3 Song EP was released in 2003, featuring songs written while under the previous band name.  It was self-produced and circulated at local shows for free with a limited amount of copies.

Steve Ramsey: Steve Ramsey is a British guitarist who began his career with the British heavy metal band Satan in the early 1980s, releasing a single and an album, a second album under the band name Blind Fury, an EP and another album after changing the band name back to Satan and two more albums after renaming the band name once again - to Pariah.

Build a Rocket Boys!: Build a Rocket Boys!  is the fifth studio album by English rock band Elbow, released on 4 March 2011 in the UK.  Coinciding with the UK release, the album was available digitally in the United States on 8 March and released in the physical format on 12 April.  It is the follow-up to the highly successful "The Seldom Seen Kid", and like its predecessor, was self-produced by the band in Blueprint Studios, Manchester.  The album was nominated for the 2011 Mercury Prize.

22 (album): 22 is the only studio album released by the Leeds band Kaiser Chiefs under their previous band name, Parva.  It was released on the Mantra Recordings label, which was closed by its owner Beggars Banquet soon after.  Four singles were released from the album, "Heavy", "Good Bad, Right Wrong", "Television" and "Hessles".  The Prince Of Wales mentioned in the lyrics of "Heavy" is a pub in Leeds.  The band chose the name "Parva" by shortening the original band name of "Runston Parva", which is a misspelling of Ruston Parva, a village in East Yorkshire.

Supporting paragraphs: Build a Rocket Boys! Elbow (band)
Answer: 1997