Which university had the highest reputation in 2012?
had the highest reputation refers to MAX(score), in 2012 refers to year = 2012; which university refers to university_name;
SELECT T2.university_name FROM university_ranking_year AS T1 INNER JOIN university AS T2 ON T1.university_id = T2.id WHERE T1.year = 2012 ORDER BY T1.score DESC LIMIT 1