generate questions: In 1507, he was ordained to the priesthood, and in 1508, von Staupitz, first dean of the newly founded University of Wittenberg, sent for Luther, to teach theology. He received a bachelor's degree in Biblical studies on 9 March 1508, and another bachelor's degree in the Sentences by Peter Lombard in 1509.
When was Martin Luther ordained as a priest? {sep_token} Who asked Luther to teach theology at the University of Wittenberg? {sep_token} When was Luther  called by von Staupitz to Wittenberg? {sep_token} When did Luther receive a degree in Biblical studies? {sep_token} What did Luther's degree in 1509 concern? {sep_token}