Complex sentence: In addition to that, Wyler has the distinction of having won the Academy Award for Best Direction on three occasions, for his direction of "Ben Hur", "The Best Years of Our Lives", and "Mrs. Miniver".
Split into simpler sentences: In addition to that, Wyler has the distinction of having won the Academy Award for Best Direction on three occasions. The awards were for his direction of: "Ben Hur", "The Best Years of Our Lives", and "Mrs. Miniver".