CREATE TABLE table_name_77 (owner VARCHAR(255), horse VARCHAR(255), finished VARCHAR(255), trainer VARCHAR(255))
What is Owner, when Finished is less than 15, when Trainer is "Steve Asmussen", and when Horse is "Z Fortune"?
    
SQL: SELECT owner FROM table_name_77 WHERE finished < 15 AND trainer = "steve asmussen" AND horse = "z fortune"