What was the total fertility rate that had a death rate larger than 7.8?
CREATE TABLE "population_movement_of_jews_from_former_" (
  "year" text,
  "births_000s" real,
  "deaths" real,
  "natural_growth" real,
  "total_fertility_rate" text
);
SELECT "total_fertility_rate" FROM "population_movement_of_jews_from_former_" WHERE "deaths">7.8;