CREATE TABLE "completed_onshore_wind_farms" (
  "wind_farm" text,
  "capacity_mw" real,
  "turbines" real,
  "turbine_vendor" text,
  "size_mw" text,
  "county" text
);

Question: What is the sum of the capacities for Carrigh wind warm that has a size of 0.85 MW and more than 3 turbines?
SQL: SELECT SUM("capacity_mw") FROM "completed_onshore_wind_farms" WHERE "size_mw"='0.85' AND "wind_farm"='carrigh' AND "turbines">3;

Question: What is the size of the windfarm in wexford that has more than 19 turbines and a vendor of Enercon?
SQL: SELECT "size_mw" FROM "completed_onshore_wind_farms" WHERE "turbines">19 AND "turbine_vendor"='enercon' AND "county"='wexford';

Question: Who is the turbine vendor for Meenadreen in Donegal county with less than 6 turbines with a size of 0.85 MW?
SQL: SELECT "turbine_vendor" FROM "completed_onshore_wind_farms" WHERE "turbines"<6 AND "county"='donegal' AND "size_mw"='0.85' AND "wind_farm"='meenadreen';