Question: What was the margin of victory with the winning score "63-68-68-68=267"?
Schema: create table table_1602858_1 (margin_of_victory varchar, winning_score varchar, PRIMARY KEY (margin_of_victory))
SQL: select margin_of_victory from table_1602858_1 where winning_score = 63 - 68 - 68 - 68 = 267