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.
San Francisco has three cable car routes than run over nob hill.
The context states that there are three cable car routes, but only states that two of them run over nob hill.
( z1 have :ARG0 ( z2 city :name ( z3 name :op "San" :op "Francisco" ) ) :ARG1 ( z4 route :quant 3 :mod ( z5 car :mod ( z6 cable ) ) :ARG1-of ( z7 run :ARG2 ( z8 over :op ( z9 hill :name ( z10 name :op "Nob" :op "Hill" ) ) ) ) ) )