The Chronicle data team recently held its fourth annual data trivia night at Standard Deviant Brewing, in the Mission District. Nineteen teams vied for victory, with teams “Raining Champs,” “Pivot Table” and “Zodiac Killaz” coming out on top. Couldn’t make it? Here’s a sample of the stumpers posed by data editor Dan Kopf, deputy data editor Aseem Shukla and computational journalist Emma Stiefel. 1 of 10 San Jose, San Francisco and Oakland are the three largest cities in the Bay Area.