Yes. Mrs. O'Hara will know what's to be done.
5 seconds sound clip from the Gone with the Wind (1939) movie soundboard.
You can hear this line at 01:40:24 in the Blu-ray version of the movie.
Quote context
[...]
- I'll not have you talking like that.
- Oh, Pa, what are we going to do with no money and and nothing to eat?
- That's it. We must ask Mrs. O'Hara.
- Yes. Mrs. O'Hara will know what's to be done.
- Now don't be bothering me. Go out for a ride. I'm busy.
- Oh, Pa Don't worry about anything.
- What are we going to do with nothing to feed those sick folks and that child?
[...]