What is the most recent year shown for Betty Stove?
CREATE TABLE "women_s_doubles_14_6_titles_8_runner_ups" (
  "outcome" text,
  "year" real,
  "championship" text,
  "surface" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);
SELECT MAX("year") FROM "women_s_doubles_14_6_titles_8_runner_ups";