CREATE TABLE table_name_6 (date VARCHAR, margin_of_victory VARCHAR, runner_s__up VARCHAR)

On what Date was Carole Charbonnier a Runner(s)-up with a 1 stroke Margin of victory?
SELECT date FROM table_name_6 WHERE margin_of_victory = "1 stroke" AND runner_s__up = "carole charbonnier"
SELECT "date" FROM "table_name_6" WHERE "1 stroke" = "margin_of_victory" AND "carole charbonnier" = "runner_s__up"