Mikhail Dmitrievitch Prokhorov ([Михаи́л Дми́триевич Про́хоров, p = mʲɪxɐˈil ˈdmʲitrʲɪjɪvʲɪtɕ ˈproxərəf] born 3 May 1965) is a Russian billionaire, politician, and owner of the American basketball team the Brooklyn Nets. He is the former chairman of Polyus Gold, Russia's largest gold producer, and the former President of Onexim Group.
Mikhail Prokhorov is the former chairman of a Russian gold producer.
Evaluate the veracity of the claim: "Mikhail Prokhorov is the former chairman of a Russian gold producer." based on the evidence: "Mikhail Dmitrievitch Prokhorov ([Михаи́л Дми́триевич Про́хоров, p = mʲɪxɐˈil ˈdmʲitrʲɪjɪvʲɪtɕ ˈproxərəf] born 3 May 1965) is a Russian billionaire, politician, and owner of the American basketball team the Brooklyn Nets. He is the former chairman of Polyus Gold, Russia's largest gold producer, and the former President of Onexim Group.".

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supported
Evaluate the veracity of the claim: "Mikhail Prokhorov is the former chairman of a Russian gold producer." based on the evidence: "Mikhail Dmitrievitch Prokhorov ([Михаи́л Дми́триевич Про́хоров, p = mʲɪxɐˈil ˈdmʲitrʲɪjɪvʲɪtɕ ˈproxərəf] born 3 May 1965) is a Russian billionaire, politician, and owner of the American basketball team the Brooklyn Nets. He is the former chairman of Polyus Gold, Russia's largest gold producer, and the former President of Onexim Group.".

Options: 

 - supported

 - refuted

 - not enough information
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supported
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