CREATE TABLE table_name_65 (dc VARCHAR(255), wins VARCHAR(255), drivers VARCHAR(255), races VARCHAR(255), points VARCHAR(255))
What kind of D.C. has Races smaller than 20, and Points larger than 0, and Drivers of christian vietoris, and Wins of 1?
    
SQL: SELECT dc FROM table_name_65 WHERE races < 20 AND points > 0 AND drivers = "christian vietoris" AND wins = 1