Sinfonia Varsovia is currently led by a Polish composer who was born in what year?
Sinfonia Varsovia: The Sinfonia Varsovia is an orchestra based in Warsaw, Poland. Sinfonia Varsovia:  Since 2003 the orchestra has been led by Krzysztof Penderecki as its artistic director. Krzysztof Penderecki: Krzysztof Eugeniusz Penderecki ( ; ] ; born 23 November 1933) is a Polish composer and conductor. "
1933