What was the first X-rated movie to win the Best Picture Oscar?

Here is the question :

WHAT WAS THE FIRST X-RATED MOVIE TO WIN THE BEST PICTURE OSCAR?

Here is the option for the question :

• Midnight Cowboy
• The Graduate
• It Happened One Night
• The Hustler

The Answer:

And, the answer for the the question is :

Explanation:

[STC0012079]. Even though there is no explicit sexual content in “Midnight Cowboy,” the studio head at United Artists decided to give it an X classification out of concern for the film’s treatment of prostitution, homosexuality, and sexual assault. After the film got unexpectedly positive reviews and accolades (including the Best Picture Oscar), United Artists appealed to the censors for a more lenient R rating.