How to travel down nob hill on the san francisco cable cars<br>Recognize the route system of the trolley in san francisco. The cable cars (or trolleys) run on three routes. Two of these routes begin at the powell & market turntable; they both run over nob hill.
Can we infer the following?
San Francisco has three cable car routes than run over nob hill.

Possible answers: * Yes * It's impossible to say * No
The answer is:
Yes