Question: Who was conductor of the City of Birmingham Orchestra at one point as well as a conductor over Colin Sauer during his time at the BBC Symphony Orchestra?

Context paragraphs:
Andrew Davis (conductor): Sir Andrew Frank Davis {'1': ", '2': ", '3': ", '4': "} (born 2 February 1944) is an English conductor.  He is currently music director and principal conductor of Lyric Opera of Chicago, chief conductor of the Melbourne Symphony Orchestra and conductor laureate of both the Toronto Symphony Orchestra and the BBC Symphony Orchestra.

Adam Schoenberg: Adam Schoenberg (born November 15, 1980) is one of the most performed living American composers.  A member of the Atlanta School of Composers, his works have been performed by the Amarillo Symphony, Atlanta Symphony Orchestra, Buffalo Philharmonic Orchestra, Charleston Symphony Orchestra, Charlotte Symphony Orchestra, The Cleveland Orchestra, Dallas Symphony Orchestra, The Florida Orchestra, Fort Worth Symphony Orchestra, Grand Rapids Symphony, Jacksonville Symphony, Kansas City Symphony, Knoxville Symphony Orchestra, Lake Forest Symphony Orchestra, Lexington Philharmonic, Los Angeles Philharmonic, National Symphony Orchestra, New West Symphony, New World Symphony (orchestra), New York Philharmonic, Orlando Philharmonic Orchestra, Pacific Symphony, Phoenix Symphony, Rochester Philharmonic Orchestra, San Diego Symphony, South Carolina Philharmonic, Tallahassee Symphony Orchestra, Waterloo-Cedar Falls Symphony, among other ensembles.  Schoenberg was the 2010-2012 guest composer for the Aspen Music Festival, the 2012-2013 composer-in-residence for the Kansas City Symphony, the 2013-2014 composer-in-residence for the Lexington Philharmonic, and the 2015-2017 composer-in-residence for the Fort Worth Symphony.  Schoenberg's honors include a 2009 and 2010 MacDowell Colony fellowship, the 2007 Morton Gould Young Composer Award from ASCAP, and the 2006 Charles Ives Prize from the American Academy of Arts & Letters.

Keitaro Harada: Keitaro Harada (, born February 26, 1985) is a Japanese conductor and is Associate Conductor of Cincinnati Symphony Orchestra Arizona Opera, Richmond Symphony Orchestra and Principal Guest Conductor of Sierra Vista Symphony Orchestra.  He has been Music Director & Conductor of the Phoenix Youth Symphony, Assistant Conductor of Macon Symphony Orchestra.  In 2013, he was featured in the Bruno Walter National Conductor Preview by the League of American Orchestras.  In 2014 and 2015, he received The Solti Foundation U.S. Career Assistance Award.

Colin Sauer: Colin Sauer (13 July 1924 - 9 January 2015 ) was a violinist and chamber musician who lead the Dartington String Quartet for over 20 years.  He played with the Hallé Orchestra under John Barbirolli and the BBC Symphony Orchestra under Adrian Boult.

Atlantic Symphony Orchestra: Atlantic Symphony Orchestra was a professional Canadian symphony orchestra in Atlantic Canada that was active during the second half the 20th century.  It has the distinction of being the only full-time regional professional orchestra in Canadian history.  The orchestra was formed shortly after the demise of both the Halifax Symphony Orchestra and New Brunswick Symphony Orchestra.  Seeing a need for a full-time professional symphony in the Atlantic region, the orchestra was established by joint committees in Halifax, Sydney, Saint John, Moncton, and Fredericton on 12 June 1968.  Conductor Klaro Mizerit led the orchestra from 1968–1977 and conductor Victor Yampolsky led the orchestra from 1977 until the orchestra's demise due to financial problems in 1983.  The orchestra made several commercial recordings in the 1970s and was featured on numerous broadcasts on CBC Radio.

Frederik Prausnitz: Frederik William Prausnitz (August 26, 1920 in Cologne – November 12, 2004 in Lewes, Delaware) was a German-born American conductor and teacher.  His grandfather, Wilhelm Prausnitz, was the dean of the medical school at Graz, as well as a Privy Counsellor.  His family, of Lutheran background, emigrated from Cologne to Philadelphia, Pennsylvania in 1937 because of deep disagreements with the Nazi regime.  Upon graduation from the Juilliard School he won a conducting competition sponsored by the Detroit Symphony Orchestra in 1943, taught at Juilliard for some twenty years in the 1950s and 1960s, took over as conductor of the New England Conservatory Orchestra in Boston, Massachusetts, and eventually moved to London where he was a staff conductor with the BBC Symphony Orchestra.  After his return to the US he was the Music Director of the Syracuse Symphony for three years, then joined the faculty of the Peabody Conservatory in Baltimore, Maryland where he remained until his retirement in 1998.  Noted especially for his commitment to contemporary music, he was also a devoted exponent of the music of Gustav Mahler.  He wrote a biography of Roger Sessions and a conducting textbook, "Score and Podium."  He adopted the unusual form of his first name after seeing an Italian concert poster with that misspelling.

John Barbirolli: Sir John Barbirolli, CH (2 December 189929 July 1970), "né" Giovanni Battista Barbirolli, was a British conductor and cellist.  He is remembered above all as conductor of the Hallé Orchestra in Manchester, which he helped save from dissolution in 1943 and conducted for the rest of his life.  Earlier in his career he was Arturo Toscanini's successor as music director of the New York Philharmonic, serving from 1936 to 1943.  He was also chief conductor of the Houston Symphony from 1961 to 1967, and was a guest conductor of many other orchestras, including the BBC Symphony Orchestra, London Symphony Orchestra, the Philharmonia, the Berlin Philharmonic and the Vienna Philharmonic, with all of which he made recordings.

New Birmingham Orchestra: The New Birmingham Orchestra, sometimes called simply the Birmingham Orchestra, was a professional symphony orchestra based in Birmingham, England between 1917 and 1919.  Although it was short-lived, it was succeeded the year after its dissolution by what is now the City of Birmingham Symphony Orchestra, which was run in its early days by many of the same individuals.

Florian Uhlig: Florian Uhlig was born in Düsseldorf and gave his first piano recital at the age of twelve.  He studied in London at the Royal College of Music and the Royal Academy of Music, finishing with the concert diploma.  He was also influenced by working with Peter Feuchtwanger and by his research towards a PhD thesis at the University of London.  Florian Uhlig made his orchestral debut at the Barbican Arts Centre in London in 1997.  Since then he has performed with orchestras like the BBC Symphony Orchestra, the Beijing Symphony Orchestra, the Deutsche Radio Philharmonie, the Dresden Philharmonic, the Hong Kong Sinfonietta, the Polish Radio Symphony Orchestra, the Simón Bolívar Youth Orchestra of Venezuela, the National Symphony Orchestra of Taiwan, the Bavarian Radio Chamber Orchestra, the Stuttgart Chamber Orchestra and the Vienna Chamber Orchestra.  He has worked with conductors like Krzysztof Penderecki, Josep Caballé, Claus Peter Flor, Eivind Gullberg Jensen, Kristjan Järvi, Michael Sanderling and Gerard Schwarz.

Adrian Boult: Sir Adrian Cedric Boult, CH ( ; 8 April 1889 – 22 February 1983) was an English conductor.  Brought up in a prosperous mercantile family, he followed musical studies in England and at Leipzig, Germany, with early conducting work in London for the Royal Opera House and Sergei Diaghilev's ballet company.  His first prominent post was conductor of the City of Birmingham Orchestra in 1924.  When the British Broadcasting Corporation appointed him director of music in 1930, he established the BBC Symphony Orchestra and became its chief conductor.  The orchestra set standards of excellence that were rivalled in Britain only by the London Philharmonic Orchestra (LPO), founded two years later.

Supporting paragraphs: Colin Sauer Adrian Boult
Answer: Adrian Boult