Scheme - takink list from lists

If I have list:((3 4 5) (2 开发者_运维技巧1 4) (4 1 3)) and I want to get only the (3 4 5) list, How can I do it?

Thank you.

---

(car '((3 4 5) (2 1 4) (4 1 3)))

In Scheme given the example you have.