CREATE TABLE table_name_86 (runner_s__up VARCHAR(255), margin_of_victory VARCHAR(255), tournament VARCHAR(255))
Who was the runner-up for the mazda senior tournament players championship tournament when the margin of victory was 2 strokes?
    
SQL: SELECT runner_s__up FROM table_name_86 WHERE margin_of_victory = "2 strokes" AND tournament = "mazda senior tournament players championship"