What is the smallest percentage of marine area for Pacific Marine ecozone and percentage of total area greater than 3.1?
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 MIN("percentage_of_marine_area_for_eez") FROM "marine_ecozones" WHERE "ecozone"='pacific marine' AND "percentage_of_total_area_for_eez">3.1;