Question: Which English Rock band was announced as a headliner at T in the Park 2012?

Context paragraphs:
Rock Band (iOS): Rock Band is a music video game released for the iOS.  It was co-developed by EA Montreal and Harmonix, and was published by Electronic Arts and MTV Games.  The game was released as a part of the "Rock Band" series for download through the App Store in several regions on October 19, 2009.  On May 2, 2012 RockBandAide announced that EA intends to discontinue Rock Band with servers being disconnected and support being dropped on May 31, 2012.  However, EA stated that the message was "sent in error" and the app will remain available to those who purchased the app.  It was later announced that due to an expiring contract with Harmonix the game would be removed from the App Store.  This occurred on July 31, 2012, and the game is now currently unavailable; though users who have previously downloaded the game can continue to play it.

Attack! Attack!: Attack!  Attack!  were a Welsh rock band from Caerphilly and Aberdare, formed in 2006.  They released their eponymous debut album in 2008, with a second album "The Latest Fashion" released on 27 September 2010 through Hassle Records.  Their third album, "Long Road to Nowhere", was announced for a 1 April 2013 release, and this was later confirmed to be their final release.  The band played a farewell April/May headliner in 2013 and then split.

The Stone Roses: The Stone Roses are an English rock band formed in Manchester in 1983.  They were one of the pioneering groups of the Madchester movement that was active during the late 1980s and early 1990s.  The band's most prominent lineup consists of vocalist Ian Brown, guitarist John Squire, bassist Mani, and drummer Reni.

T in the Park 2013: T in the Park 2013 was a three-day music festival which took place between 11–14 July 2013 in Balado, Kinross.  It was the 20th Anniversary #T20 of the Scottish music festival Rihanna and Mumford and Sons were announced as the first and second headliner acts on 4 December 2012.  Others acts confirmed on the same day were Jake Bugg, Alt-J, Of Monsters and Men, The Script, Paloma Faith.  On 5 December 2012 The Killers were announced as third headliner act and other acts confirmed were Two Door Cinema Club and Azealia Banks.  On 13 December 2012 it was announced that Emeli Sandé would return to the music festival for its 20th anniversary.  On 13 February 2013, Germany Electronic band Kraftwerk were added to the line-up.

T in the Park 2012: T in the Park 2012 was a three-day music festival which took place from 6–8 July 2012 in Balado, Kinross.  The Stone Roses were announced as the first headline act on 8 November 2011, appearing on Saturday 7 July 2012.  Snow Patrol and Kasabian were later confirmed to also be headlining on Friday 6 July and Sunday 8 July respectively.  This year marks the first time all three days of the festival will have an equal capacity, after councillors granted a request to raise Friday's capacity by 10,000.  This approval brings Friday in line with the festivals 85,000 capacity previously restricted to Saturday and Sunday.

Battle in Me: "Battle in Me" is a song from alternative rock band Garbage's fifth studio album "Not Your Kind of People", and was released as the lead single to promote the album in United Kingdom.  "Battle in Me" preceded the band's underplayed headliner concert in London and served as the band's Record Store Day 2012 release in the United Kingdom and Europe.

Zak Starkey: Zak Richard Starkey (born 13 September 1965) is an English rock drummer whose music career spans more than 30 years.  He has performed and recorded with English rock band The Who since 1996.  He is also the third drummer to have appeared with English rock band Oasis.  He has also worked with other musicians and bands such as Johnny Marr, Paul Weller, The Icicle Works, The Waterboys, ASAP, The Lightning Seeds, and John Entwistle.  He is the son of The Beatles drummer Ringo Starr.

Villains World Tour: The Villains World Tour is an upcoming concert tour by American rock band Queens of the Stone Age.  The tour is set to take place from June to November 2017, to support the band's seventh studio album, "Villains", which will be released in August 2017.  The tour was announced on 15 June 2017, one day after the album’s announcement.  English rock band Royal Blood are set to support the band on the North American leg of the tour.

Further Sky: Further Sky is an EP by English rock band Basement.  The band went on hiatus in July 2012, prior to the release of their second album "Colourmeinkindness" in October 2012.  They began practicing again around Christmas 2013, composing the song "Jet".  Whilst guitarist Alex Henery was in the United States, the rest of the band wrote another song, "Summer's Colour".  In late January 2014, they announced the end of their musical hiatus.  Along with a cover of the Suede song "Animal Nitrate", the group recorded the aforementioned original songs in early 2014.  Recording was done in secret at Livingston Studio 1 in London, with producer Dan Goudie.

The Ride Tour: The Ride Tour is the ongoing second concert tour by English indie rock band Catfish and the Bottlemen, in support of the group's second studio album "The Ride".  The tour was announced in February 2016 and began on 4 April 2016, in Glasgow, United Kingdom at the O2 Academy Glasgow.  The tour is planned to travel across Europe and North America with a total of 50 shows planned so far.  On 22 February 2016, the band announced an April 2016 stint of shows in UK, including Glasgow, Halifax, Southend On Sea, Doncaster, London and Brighton.  The band will also headline several festivals across the UK throughout the summer, including Liverpool's 'Sound City' in May 2016, Bristol's Summer Series in July 2016 and Manchester's Castlebowl in July 2016.  On 14 March 2016 it was announced that the band will play several dates in North America in June 2016.  The band are also scheduled to play several European festivals this year, including Scotland's T in the Park, Spain's Benicàssim festival, Cumbria's Kendal Calling in July 2016, Cornwall's Boardmasters Festival in August 2016 and Germany's Lollapalooza in September 2016.  The band will also support Welsh rock band Stereophonics on their Wrexham, Racecourse Ground stadium gig in July 2016, as part of their Keep the Village Alive tour.

Supporting paragraphs: T in the Park 2012 The Stone Roses
Answer: The Stone Roses