Question: The National Youth Theatre of Great Britain is a registered charity in London, it was founded in 1956 as the world's first youth theatre and has built a reputation as a breeding ground for renowned actors such as which English actress, and the youngest person to receive six Academy Award nominations, with seven nominations in total?
Context: Burnley Youth Theatre is a youth theatre at the heart of the community in Burnley, Lancashire.  Established in 1973 it has created shows, tours and performances, including new and existing work.  Working with young people from 0 to 25, the theatre operates from its purpose built theatre just next to Queens Park, it was the first purpose built youth theatre in the UK, and opened its doors in 2005. Ella Smith (born 6 June 1983) is an English actress.  She trained at the Webber Douglas Academy of Dramatic Art and is a former member of the National Youth Theatre.  She attended junior Guildhall School of Music and Drama courses and the National Youth Choir and originally harboured ambitions of becoming an opera singer. Kate Elizabeth Winslet, CBE (born 5 October 1975), is an English actress.  She is the recipient of an Academy Award, three BAFTA Awards, a BIFA Award, four Golden Globe Awards, a Grammy Award, a Primetime Emmy Award, an AACTA Award, and three Screen Actors Guild Awards. Winslet is the youngest person to receive six Academy Award nominations, with seven nominations in total, and is one of the few actresses to win three of the four major American entertainment awards (EGOT).  In addition, she has won awards from the Australian Academy of Cinema and Television Arts and European Film Academy, among others, and the Honorary César Award in 2012. Jay Warn is an English actor.  He was born in Leytonstone, London, and went on to attend the Italia Conti Academy of Theatre Arts in Clapham from 2011–2014, majoring in acting.  He has worked at the Open Door Theatre, the Bridewell Theatre, and the Albany Theatre.  He is also an alumnus of the National Youth Theatre of Great Britain. The National Youth Music Theatre (NYMT) is an arts organisation in the United Kingdom providing pre-professional education and musical theatre stage experience for young people.  Based in London, it is constituted as a private limited company (originally named Children's Music Theatre Limited) and as a registered charity.  NYMT was founded in 1976 by director and playwright Jeremy James Taylor.  Since its inception, it has produced over fifty productions at the Edinburgh Festival Fringe, premièred thirty new musical theatre works, toured several times outside the United Kingdom, and had runs in the West End and on Broadway.  Amongst the many alumni of the National Youth Music Theatre who have gone on to careers in the performing arts are Jude Law (one of its patrons), Jonny Lee Miller, Sheridan Smith, Connie Fisher, Idris Elba and Matt Lucas.  Alumni have also included directors such as Jo Davies, and songwriters such as Tara Mcdonald. The Manchester Youth Theatre was a youth theatre which operated in Manchester from 1966 until 2003.  It was founded by Geoff Sykes, the lifelong friend of Michael Croft founder of The National Youth Theatre who served as it's Artistic Director until his death.  Geoff and his wife Hazel, ran Manchester Youth Theatre staging plays, musicals and devised shows which featured at the local theatres in Manchester. The National Youth Theatre of Great Britain is a registered charity in London.  It is committed to the development of young people through the medium of creative arts, and aims to use theatre to aid in this objective.  It was founded in 1956 as the world's first youth theatre and has built a reputation as a breeding ground for renowned actors such as Daniel Craig, Daniel Day-Lewis, Chiwetel Ejiofor, Idris Elba, Colin Firth, Derek Jacobi, Ben Kingsley, Ian McShane, Helen Mirren, Rosamund Pike, and Kate Winslet, as well as musicians such as Sophie Ellis-Bextor and Ed Sheeran (see for a full list). PACE Theatre Company is a registered charity and non-profit making theatre company based in Paisley, Scotland.  Formed in 1988 by David Wallace, PACE has four main components: a professional theatre production and Theatre-in-education (TIE) company; PACE Youth Theatre, with over 2,000 members; PACE Casting, a casting agency which represents Youth Theatre members; and PACE Media Productions, a media production company specialising in educational and dramatic video productions.  In September 2017, Wallace was sacked from the company after a financial investigation.  His wife Mhairi Wallace was suspended on full pay. 20 Cigarettes is a radio play commissioned by the BBC and written by Marcy Kahan, author of the 1991 film "Antonia and Jane".  Kahan was commissioned in 2007 to rewrite the play for the stage by the National Youth Theatre.  The production was directed by Toby Frow, and was, contrary to contemporary media assertions, the first instance of smoking on stage after the English smoking ban.  It was performed between 15 August and 30 August 2007 at the Soho Theatre as part of the Soho Theatre's collaboration with the National Youth Theatre.  The 2007 production was also the first to include a non-youth actor, in Simon Dutton, one of the actors who played the protagonist, Simon Templar in the television series "The Saint". The Kyiv Academic Youth Theatre (Ukrainian: Київський академічний Молодий театр ) is a youth theatre in Kyiv in Ukraine.  It was founded in 1979 and opened on 14 December 1979.  The first performance of the Youth Theatre was on April 26, 1980.
Answer: Kate Elizabeth Winslet