Conversation so far:
When did act 1 start?
Frank Butler, the show's handsome, womanizing star ("I'm a Bad, Bad, Man"SS), challenges anyone in town to a shooting match.
How long was Act 1?
CANNOTANSWER.
Are there any other interesting aspects about this article?
When Wilson learns she's a brilliant shot, he enters her in the shooting match against Frank Butler.
Who wins the match?
She wins the contest.
who is Frank Butler?
Frank Butler, the show's handsome, womanizing star.

Question: Why is he a womanizing star?
Self-contained rewrite: Why is Frank Butler from Annie Get Your Gun considered a womanizing star?