I'm confused as to how Cebuano Wikipedia ever got Diane Feinstein listed as San Francisco mayor in the first place if her tenure ended in 1988. Wasn't 1988 wel

I'm confused as to how Cebuano Wikipedia ever got Diane Feinstein listed as San Francisco mayor in the first place if her tenure ended in 1988. Wasn't 1988 well before the creation of Cebuano Wikipedia? This data would have been significantly out of date even at the time it was added.