What is the full name of the professor who graduated from an Ivy League School?
Ivy League school is assembled by 8 universities: Brown University, Columbia University, Cornell University, Dartmouth College, Harvard University, Princeton University, University of Pennsylvania and Yale University;
SELECT first_name, last_name FROM prof WHERE graduate_from IN ( 'Brown University',  'Columbia University',  'Cornell University',  'Dartmouth College',  'Harvard University',  'Princeton University',  'University of Pennsylvania',  'Yale University' )