Well, how should I know? Why don't you ask beautiful?
3 seconds sound clip from the All Through the Night (1942) movie soundboard.
You can hear this line at 01:37:28.049 in the Blu-ray version of the movie.
Quote context
[...]
- Did you tell the police there was a meeting here tonight?
- No.
- I told them there was a meeting, but I didn't know where.
- Did Miller tell you about this place?
- No.
- She's still lying. I told you she and Miller were working against us, but you wouldn't listen to me.
- What is it? Your friend Donahue is downstairs.
- Well, how should I know? Why don't you ask beautiful?
- He's not only here, he's on a platform, speaking, and he knows everything.
- It's locked. Is there a lock-picker in the crowd?
[...]