Question: Where was Paul Cook's band formed?

Context paragraphs:
Paul Cook: Paul Thomas Cook (born 20 July 1956 in Hammersmith, London) is an English drummer and member of the punk rock band the Sex Pistols.  He was also called "Cookie" by his friends on the punk music scene.

Man Raze: Manraze are a 3-piece alternative rock band from London, England, featuring Phil Collen, Simon Laffy and Paul Cook.

The Fallen Leaves: The Fallen Leaves are a British garage rock group that formed in Richmond, London in 2004.  The group was formed by Rob Symmons (dustbin guitar) and Rob Green (vocals) with Paul Myers (bass), and for a very short time, Paul Cook (drums).  The current line up features drummer,Brett Buddy Ascott ex of Mod/Punk band The Chords, and bassist, Matthew Karas, who plays various instruments for Glassglue.

Steve Jones (musician): Stephen "Steve" Philip Jones (born 3 September 1955) is an English rock guitarist, singer and actor, best known as a guitarist with the Sex Pistols.  Following the split of the Sex Pistols he formed The Professionals with former bandmate Paul Cook.  He has also released two solo abums, and worked with the likes of Johnny Thunders, Iggy Pop, Bob Dylan and Thin Lizzy.  In 1995, he formed the short lived supergroup Neurotic Outsiders with members of Guns N' Roses and Duran Duran.  Jones was ranked in "Rolling Stone"' s list of the "100 Greatest Guitarists of All Time".

Silly Thing (song): "Silly Thing" is a song by the Sex Pistols that was released in 1979.  It was the 3rd single released in promotion of the film "The Great Rock 'n' Roll Swindle".  It was written by drummer Paul Cook and guitarist Steve Jones, and recorded after the band's original lead singer, Johnny Rotten, left the band.  Typically, Jones also played bass in the studio, rather than suffer the ineptitude of the band's official bassist, Sid Vicious.  Essentially, it's a Cook/Jones recording more than a true band's work.

Sex Pistols: The Sex Pistols were an English punk rock band formed in London in 1975.  Although they initially lasted just two and a half years and produced only four singles and one studio album, "Never Mind the Bollocks, Here's the Sex Pistols", they have been called one of the most influential acts in the history of popular music, having initiated the punk movement in the United Kingdom, and inspired many later punk and alternative rock musicians.

Holidays in the Sun (song): "Holidays in the Sun" is a song by the English band the Sex Pistols.  It was released on 14 October 1977 as the band's fourth single, as well as being the advance single from their only album, "Never Mind the Bollocks, Here's the Sex Pistols".  A number eight chart hit in the UK, the single proved to be the last with singer John Lydon for 30 years.  Steve Jones and Paul Cook would record one more single, "No One Is Innocent" with Ronnie Biggs as the band imploded, and Sid Vicious would record solo covers of "My Way" and "Somethin' Else" under the Pistols name. " Rolling Stone" ranked the song #43 of the 100 Greatest Guitar Songs of All Time.

No One Is Innocent (song): "No One Is Innocent" was the fifth single by the British punk rock band the Sex Pistols.  It was released on 30 June 1978.  The Pistols had split up early in 1978, losing bassist Sid Vicious and original lead vocalist Johnny Rotten.  "No One Is Innocent" was recorded by remaining members Paul Cook and Steve Jones, with vocals performed by Ronnie Biggs, a British criminal notorious for his part in the Great Train Robbery of 1963.  At the time of "No One Is Innocent" Biggs was living in Brazil, still wanted by the British authorities, but immune from extradition.  The song was credited to Cook, Jones and Biggs.

The Road of Bones (album): The Road of Bones is a studio album by the British neo-progressive band IQ, released in 2014.  It peaked at number 36 in Germany.  It marks the return of original members Paul Cook on drums and Tim Esau on bass, the latter appearing on an IQ album for the first time since 1989.

The Professionals (band): The Professionals are an English punk rock band active from 1979 to early 1982 and again from 2015.  They were formed by ex-Sex Pistols guitarist Steve Jones and drummer Paul Cook after that band's demise.

Supporting paragraphs: Paul Cook Sex Pistols
Answer: London