Is silicon important in California? Hmmm, my chain of thoughts:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
There is a region in California called the Silicon Valley. Silicon Valley is home to a large number of technology corporations. Silicon Valley was originally named after the large number of corporations there that manufactured silicon-based circuit chips. Final answer: yes.