In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Context: In 1978, he became the leading tenor of the Saratov Academic Opera and Ballet Theatre when he performed: Vladimir Igorevich in Borodin's Prince Igor Link Information: It was first performed in St. Petersburg, Russia, in 1890. Question: How many years after its premier did Polozov play Igorevich in Borodin's opera?
Answer: 82

Context: Majeski began his professional baseball career as a second baseman in at the age of 18 with the Eau Claire Bears Link Information: The Eau Claire Bears was the primary nickname of the minor league baseball teams from Eau Claire, Wisconsin. Question: What state did Majeski begin his professional career in at the age of 18?
Answer: Wisconsin

Context: The letters represented the first initial of its corporate parents: CBS (the parent company of UPN) and the Warner Bros. unit of Time Warner. Link Information: none Question: What does CBS stand ford?

Answer: none