Perhaps you can go to the Prater before the play. It starts at 21:30.

8 seconds sound clip from the Before Sunrise movie soundboard.

You can hear this line at 00:19:08 in the Blu-ray version of the movie.

Quote context

[...]

- And he is the cow.

- Yes, I am the cow, and the cow is a bit weird.

- The cow has a disease.

- She's acting a bit strange, like a dog.

- If someone throws a stick, she fetches it and brings it back. And she can smoke with hooves and everything.

- Great.

- And as you see, there's the address. It's in the second district.

- Near the Prater. You know the Prater?

- Ah, the big Ferris wheel.

- Everybody knows the wheel.

- Perhaps you can go to the Prater before the play. It starts at 21:30.

- 21:30?

- It's 9:30.

- Oh, 9:30.

- Right, right.

- Okay, great. What's the name of this play?

- It translates as Bring Me The Horns of Wilmington's Cow.

- I'm Wilmington's cow.

- All right.

[...]