question: Besides using 3kV DC what other power type is used in the former Soviet Union countries ?
answer: 25 kV 50 Hz AC
turker_answer: Besides using 3kV DC , 25 kV 50 Hz AC is used in the former Soviet Union countries .
rule-based: Besides using 3kV DC 25 kV 50 Hz AC is used in the former Soviet Union countries .