Question: Sinfonia Varsovia is currently led by a Polish composer who was born in what year?

Krzysztof Eugeniusz Penderecki ( ; ] ; born 23 November 1933) is a Polish composer and conductor. " The Guardian" has called him Poland's greatest living composer.  Among his best known works are his "Threnody to the Victims of Hiroshima", "Symphony No. 3", "St. Luke Passion", "Polish Requiem", "Anaklasis", "Utrenja", four operas, eight symphonies and other orchestral pieces, a variety of instrumental concertos, choral settings of mainly religious texts, as well as chamber and instrumental works. <SEP> Adam Sztaba (born 15 February 1975) is a Polish composer, music producer, conductor, arranger and pianist.  He graduated in composition from Fryderyk Chopin Music Academy (now University of Music).  He collaborated with many Polish and international stars such as: Caro Emerald, Quincy Jones, Sting, Chris Botti, Michael Bolton, José Carreras, Kenny G, Dolores O'Riordan, Ewa Malas-Godlewska, Jose Cura, Lemar, NDR Bigband, Ive Mendes, Lutricia McNeal, Dita von Teese, Helena Vondráčková, Karel Gott, Drupi, Edyta Gorniak, Maryla Rodowicz, Kayah, Ania Dabrowska, Sinfonia Varsovia, Polish Radio Symphony Orchestra.  He made his debut at age 18 music for the musical "Mirage?" .  In 2003, together with Tomasz Filipczak, composed the music for the first Polish show dance "Opentaniec".  In 2005 he founded the Adam Sztaba Orchestra.  He was the musical director, arranger and conductor of many well-known television programs, including "Idol" (Polish edition), SOPOT FESTIVAL 2005 and 2006, "Dancing With the Stars" (Polish edition of "Strictly Come Dancing").  In 2008 he was director of the Academy of the television program "Star Academy" (Polish edition).  Recently he composed and recorded music for the film "From Full To Full".  In September 2010 he was music director of the inauguration of the European Special Olympic Games 2010 in Warsaw.  In December 2010 he performed with Sting and conducting the Polish Radio Symphony Orchestra in a concert to celebrate the 85th anniversary of Polish Radio.  In July 2011 he was a music director of the concert on the occasion of the beginning of Poland's EU Presidency and performed with Chris Botti, Dolores O'Riordan, Michael Bolton and Kenny G.  He was a juror in the Polish edition of the TV show "Must Be The Music".  In 2016 he was musical director and conductor of the World Youth Day 2016 in Krakow, the musical highlight of which was the concert titled "Credo in Misericordiam Dei" with almost 2 million pilgrims attending. <SEP> The Sinfonia Varsovia is an orchestra based in Warsaw, Poland.  It was founded in 1984 by Yehudi Menuhin, Waldemar Dąbrowski and Franciszek Wybrańczyk, as a successor to the Polish Chamber Orchestra.  Since 2003 the orchestra has been led by Krzysztof Penderecki as its artistic director. <SEP> Zenon Kitowski (born 1962) is one of the most talented and recognized clarinet players of Poland.  He was born in a Kashubian town of Kartuzë (pol. Kartuzy.  After winning the Kurpiński International Clarinet Competition in Włoszakowice (Poland) in 1982, Kitowski accepted principal clarinetist position with Jerzy Maksymiuk’s Polish Chamber Orchestra and Sinfonia Varsovia.  As a renowned musician, Zenon has appeared frequently as soloist with the Polish Radio and Television Orchestra in Warsaw where he has been holding the principal clarinetist chair since 1993.  Zenon Kitowski also collaborates with various chamber ensembles and while his playing captivates with agility and ease, his rich and warm tone combined with incredible control which affords him with the superior skills needed to express full dynamic and emotional range of any orchestral or soloist work.