How many values for percentage of marine area are for the Atlantic marine ecozone with an exclusive economic zone area less than 996,439?
CREATE TABLE "marine_ecozones" (
  "ecozone" text,
  "area_km_territorial_waters" real,
  "area_km_exclusive_economic_zone" real,
  "percentage_of_total_area_for_eez" real,
  "percentage_of_marine_area_for_eez" real
);
SELECT COUNT("percentage_of_marine_area_for_eez") FROM "marine_ecozones" WHERE "ecozone"='atlantic marine' AND "area_km_exclusive_economic_zone"<'996,439';