I am verifying the answers generated by an automatic system to the following question: what county is chula vista ca in Suggested answer: Chula Vista (; ) is the second largest city in the San Diego metropolitan area , the seventh largest city in Southern California , the fourteenth largest city in the State of California , and the 77th-largest city in the United States . Should I validate this answer?

Available choices:
a). No;
b). Yes;
The answer is:
a).