SELECT runner_s__up FROM table_name_51 WHERE margin_of_victory = "1 stroke" AND tournament = "joburg open 1"
Apa itu Runner (S) -up, ketika Margin of Victory adalah 1 stroke, dan ketika turnamen adalah Joburg Open 1?
CREATE TABLE table_name_51 (runner_s__up VARCHAR, margin_of_victory VARCHAR, tournament VARCHAR)