What are the top three universities with the most international students?
most international students refers to MAX(SUM(DIVIDE(MULTIPLE(pct_international_students, num_students), 100))); name of university refers to university_name;
SELECT DISTINCT T2.university_name FROM university_year AS T1 INNER JOIN university AS T2 ON T1.university_id = T2.id GROUP BY T2.university_name ORDER BY SUM(T1.num_students * T1.pct_international_students / 100) DESC LIMIT 3