What is Tournament, when Margin Of Victory is 1 Stroke, and when Date is 18 Jan 2009?
CREATE TABLE "european_tour_wins_12" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "tournament" FROM "european_tour_wins_12" WHERE "margin_of_victory"='1 stroke' AND "date"='18 jan 2009';