CREATE TABLE "women_s_doubles_10_finals_3_titles_7_run" (
  "outcome" text,
  "year" real,
  "championship" text,
  "surface" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);

Question: What year was the most recent US Open championship?
SQL: SELECT MAX("year") FROM "women_s_doubles_10_finals_3_titles_7_run" WHERE "championship"='US Open';