Question: As a child, Olga Peretyatko sand in the children's choir of a theatre that opened in what year?

<P0-S0> The Mariinsky Theatre (Russian: Мариинский театр , Mariinskiy Teatr, also spelled Maryinsky or Mariyinsky) is a historic theatre of opera and ballet in Saint Petersburg, Russia. <P0-S1>  Opened in 1860, it became the preeminent music theatre of late 19th century Russia, where many of the stage masterpieces of Tchaikovsky, Mussorgsky, and Rimsky-Korsakov received their premieres. <P0-S2>  Through most of the Soviet era, it was known as the Kirov Theatre. <P0-S3>  Today, the Mariinsky Theatre is home to the Mariinsky Ballet, Mariinsky Opera and Mariinsky Orchestra. <P0-S4>  Since Yuri Temirkanov's retirement in 1988, the conductor Valery Gergiev has served as the theatre's general director. <SEP> <P1-S0>  In 1954, de Amaral went to the United States to study English in New York at the Columbia University. <P1-S1>  Later Olga visited Peru as the WCC representative. <P1-S2>  Upon graduating from high school, in the years 1951-52 she got a degree in Architectural Design at the Colegio Mayor de Cundinamarca in Bogotá. <P1-S3>  They started a family (children Diego and Andrea) and a workshop of handwoven textiles. <P1-S4>  She grew up in a traditional neighbourhood in Bogotá in a warm, safe family atmosphere, maintaining a special relationship with her loving and caring mother. <P1-S5>  After graduation, the future textile artist worked for a year as a director of the Architectural Drawing Faculty at the same school. <P1-S6>  There Olga de Amaral met Eileen Vanderbilt from the World Crafts Council and became its representative for Colombia. <P1-S7>  After returning to Colombia, the Amarals travelled to Popayán and Tierradentro region with its must-see San Agustín. <P1-S8>  Their professional and artistic relationship became crucial in projection of her work internationally in the world of contemporary tapestry. <P1-S9>  They lived for a time in Europe, then returned to Bogotá, visited different areas of Colombia, and then went back to France, amid exhibits, work, and new friendships. <P1-S10>  During that period, Jack Lenor Larsen visited Colombia and the Amaral's workshop. <P1-S11>  She then moved and studied fiber art at the Cranbrook Academy of Art in Bloomfield Hills, Michigan, USA (1954–55). <P1-S12>  Meanwhile, Jim Amaral was in the U.S. Navy, on a base in the Philippines. <P1-S13>  In 1965 de Amaral founded and taught at the Textile Department at the Universidad de los Andes (University of the Andes) in Bogotá. <P1-S14>  I also learned to speak in color. <SEP> <P2-S0> The State Theatre is a nonprofit venue for the performing arts and entertainment, located in downtown Eau Claire, Wisconsin with seating for 1100 people. <P2-S1>  It was first opened as a vaudeville theatre in 1926, then several years later converted to a movie house that closed in 1982. <P2-S2>  In 1984 the Theatre was donated to a group of arts-minded community members called the Eau Claire Regional Arts Council to create a center for artistic expression. <P2-S3>  After a significant renovation it reopened the doors in 1986. <P2-S4>  It is now used by a number of local performing arts organizations including: Chippewa Valley Symphony, Chippewa Valley Theatre Guild, Chippewa Valley Youth Choirs, Eau Claire Children's Theatre, Valley Gospel Choir and UW - Eau Claire. <SEP> <P3-S0> Olga Peretyatko (Russian: Ольга Перетятько ; born 21 May 1980 in Leningrad, now Saint Petersburg) is a Russian operatic soprano. <P3-S1>  As a child Peretyatko sang in the children's choir of the Mariinsky Theatre. <P3-S2>  As a student of the Hamburg Opera Studio she received the second prize at Operalia Competition (2007), an event sponsored by tenor Plácido Domingo.