- Who painted Whistler's Mother?
- Why, Whistler, of course.
- Congratulations!

Catwoman (Julie Newmar)

11 seconds sound clip from Batman (1966) - The Cat's Meow (S2E29) TV Series.

You can hear this line at 00:11:15 in the Blu-ray version of the movie.

Quote context

[...]

- Sorry, I'm not interested in dance lessons.

- Wait a minute, the junior prom's coming up, isn't it? We don't want you to be a Wallflower, do we?

- Dancing is an integral part of every young man's education.

- Gosh, Bruce, you're right, but dancing?

- All right, miss, what's the question?

- Who painted Whistler's Mother?

- Why, Whistler, of course.

- Congratulations!

- You mean, that's it?

- That's it.

- When do I get my lesson?

- I'll be right over.

- Can you imagine that? First time in my life I ever won anything.

- Heh. Congratulations.

- I have to go down to the electronics store to pick up a tube for the Bat-sound analyzer. We can't make a move without it. I should be back in a hour.

- Okay.

[...]