What is the name of the university with the most international students in 2011?
in 2011 refers to year 2011; the most international students refers to MAX(DIVIDE(MULTIPLY(num_students,  pct_international_students), 100)); name of university refers to university_id
SELECT T2.university_name FROM university_year AS T1 INNER JOIN university AS T2 ON T1.university_id = T2.id WHERE T1.year = 2011 ORDER BY T1.pct_international_students DESC LIMIT 1