CREATE TABLE table_name_10 (pick VARCHAR(255), year VARCHAR(255), overall VARCHAR(255), position VARCHAR(255), round VARCHAR(255))
What number was the pick for the position of DT in 1952, after round 1, where the overall was less than 155?
    
SQL: SELECT pick FROM table_name_10 WHERE position = "dt" AND round > 1 AND overall < 155 AND year = "1952"