In 2011 with a less than 13.333 wind power what is the mean hydroelectricity?
CREATE TABLE "world_top_10_renewable_electricity_produ" (
  "country" text,
  "year" real,
  "total" real,
  "hydroelectricity" real,
  "wind_power" real,
  "biomass_and_waste" text,
  "solar" real
);
SELECT AVG("hydroelectricity") FROM "world_top_10_renewable_electricity_produ" WHERE "year">2011 AND "wind_power"<13.333;