CREATE TABLE table_name_74 (victory_margin__in_lengths_ VARCHAR(255), time VARCHAR(255), finish VARCHAR(255), jockey VARCHAR(255))
What was the victory margin for a finish of 1st with a rider of Kent Desormeaux, with a time of 1:35.66?
    
SQL: SELECT victory_margin__in_lengths_ FROM table_name_74 WHERE finish = "1st" AND jockey = "kent desormeaux" AND time = "1:35.66"