CREATE TABLE table_name_30 (time_retired VARCHAR(255), driver VARCHAR(255), constructor VARCHAR(255), grid VARCHAR(255), laps VARCHAR(255))
What is the time/retired of Driver Masten Gregory Carroll Shelby when the constructor was Maserati, the Grid was larger than 10 and there were more than 2 laps?
    
SQL: SELECT time_retired FROM table_name_30 WHERE grid > 10 AND laps > 2 AND constructor = "maserati" AND driver = "masten gregory carroll shelby"