Objects in image: Billboard
Text visible in image: BUS, ALLurthan, STOP, 51A, 605, hours, Rockridge, BART, 851, NCHTO, Borkeley, G511, Transit", for, formation, Osay, Departure, Times", predictions, www.actransit.org, www, STOP, ID, 55644, S, !
Question: what is the lowest bus number that stops at this stop?
Answers: 51a, 51a, 51a, 51, 51a, 51a, 851, 51a, 51a, 51a