The four are Santa Clara , San Mateo , San Francisco -LRB- all associated with Silicon Valley -RRB- and King County , Wash. -LRB- home of Microsoft -RRB- .
Silicon Valley /location/location/contains Santa Clara
Silicon Valley /location/location/contains San Mateo
DT CD VBP NNP NNP , NNP NNP , NNP NNP -LRB- DT VBN IN NNP NNP -RRB- CC NNP NNP , NNP -LRB- NN IN NNP -RRB- .