What is the name of the university with the highest score in teaching in the year 2011?
with the highest score refers to MAX(score); in teaching refers to criteria_name = 'Teaching'; name of university refers to university_name;
SELECT T3.university_name FROM ranking_criteria AS T1 INNER JOIN university_ranking_year AS T2 ON T1.id = T2.ranking_criteria_id INNER JOIN university AS T3 ON T3.id = T2.university_id WHERE T1.criteria_name = 'Teaching' AND T2.year = 2011 ORDER BY T2.score DESC LIMIT 1