In 2012 Mr Mallett won with 37k votes and the runner up received 33k votes. http://www.smartvoter.org/2012/11/06/ca/cc/race/7736/
The details for Alameda County can be found here. http://acgov.org/rov/current_election/
What you'll find.
This blog is a raw dump of information about how to create the worlds best mass transit system in the Bay Area.