Question: What are the names of students who have taken the prerequisite for the course International Finance?
SQL: SELECT T1.name FROM student AS T1 JOIN takes AS T2 ON T1.id  =  T2.id WHERE T2.course_id IN (SELECT T4.prereq_id FROM course AS T3 JOIN prereq AS T4 ON T3.course_id  =  T4.course_id WHERE T3.title  =  'International Finance')