CREATE TABLE table_name_18 (year_s__won VARCHAR(255), country VARCHAR(255), to_par VARCHAR(255), total VARCHAR(255))
Can you tell me the Year(s) Won that has the To par larger than 5, and the Total smaller than 155, and the Country of united states?
    
SQL: SELECT year_s__won FROM table_name_18 WHERE to_par > 5 AND total < 155 AND country = "united states"