CREATE TABLE table_name_21 (to_par VARCHAR(255), year_s__won VARCHAR(255), country VARCHAR(255), total VARCHAR(255))
What is the To par  of the United States, when the Total was 145, in 2004?
    
SQL: SELECT to_par FROM table_name_21 WHERE country = "united states" AND total = 145 AND year_s__won = "2004"