How many members did Europe have the year that America had 403892?
CREATE TABLE "chronology_of_worldwide_membership" (
  "year" real,
  "worldwide" real,
  "africa" real,
  "america" real,
  "asia" real,
  "australia" real,
  "europe" real
);
SELECT "europe" FROM "chronology_of_worldwide_membership" WHERE "america"=403892;