Task: Question Understanding
Input (English): Context : His first attempt at a comedy film paid off immensely, as It's a Mad, Mad, Mad, Mad World became a stunning critical and commercial success in 1963 and went on to win an Academy Award (for Best Sound Editing) and be nominated for five additional Academy Awards and two Golden Globe Awards. 
Question : Who directed It's a Mad, Mad, Mad, Mad World?
Output (English): director