What is the average births that had a death rate of 0.4
CREATE TABLE "population_movement_of_jews_from_former_" (
  "year" text,
  "births_000s" real,
  "deaths" real,
  "natural_growth" real,
  "total_fertility_rate" text
);
SELECT AVG("births_000s") FROM "population_movement_of_jews_from_former_" WHERE "deaths"=0.4;