What is the sum of percentage of marine area with an area of territorial waters of 72,144 and 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 SUM("percentage_of_marine_area_for_eez") FROM "marine_ecozones" WHERE "area_km_territorial_waters"='72,144' AND "area_km_exclusive_economic_zone"<'996,439';