What is the natural change number of Syria when there were 67,000 deaths and an average population greater than 2,820?
CREATE TABLE "1900_1912" (
  "average_population_x_1_000" real,
  "live_births" real,
  "deaths" real,
  "natural_change" real,
  "crude_birth_rate_per_1_000" real,
  "crude_death_rate_per_1_000" real,
  "natural_change_per_1_000" real
);
SELECT SUM("natural_change") FROM "1900_1912" WHERE "deaths"='67,000' AND "average_population_x_1_000">'2,820';