Passage: Varian taught at MIT, Stanford University, the University of Oxford, the University of Michigan, the University of Siena and other universities around the world. He has two honorary doctorates, from the University of Oulu, Finland in 2002, and a Dr. h. c. from the Karlsruhe Institute of Technology (KIT), Germany, awarded in 2006. He is emeritus professor at the University of California, Berkeley, where he was founding dean of the School of Information.Varian joined Google in 2002 as a consultant, and has worked on the design of advertising auctions, econometrics, finance, corporate strategy, and public policy. He is the chief economist at Google.

Question: How many honorary doctorates does Varian have?
two