Which institute has the highest percentage of male White students graduating in 2011 within 150 percent of normal/expected time?
male refers to gender = 'M'; white refers to race = 'w'; in 2011 refers to year = 2011; graduating within 150 percent of normal/expected time refers to grad_150;
SELECT T1.chronname FROM institution_details AS T1 INNER JOIN institution_grads AS T2 ON T2.unitid = T1.unitid WHERE T2.year = 2011 AND T2.gender = 'M' AND T2.race = 'W' AND T2.grad_150 = ( SELECT MAX(T2.grad_150) FROM institution_details AS T1 INNER JOIN institution_grads AS T2 ON T2.unitid = T1.unitid WHERE T2.year = 2011 AND T2.gender = 'M' AND T2.race = 'W' )