CREATE TABLE table_name_92 (successes VARCHAR(255), rocket VARCHAR(255), type VARCHAR(255), launches VARCHAR(255), country VARCHAR(255))
What is the number of successes for rockets that have more than 3 launches, were based in Russia, are type soyuz and a rocket type of soyuz-u?
    
SQL: SELECT COUNT(successes) FROM table_name_92 WHERE launches > 3 AND country = "russia" AND type = "soyuz" AND rocket = "soyuz-u"