CREATE TABLE grapes (id NUMBER, grape CLOB, color CLOB)
CREATE TABLE wine (no NUMBER, grape CLOB, winery CLOB, appelation CLOB, state CLOB, name CLOB, year NUMBER, price NUMBER, score NUMBER, cases NUMBER, drink CLOB)
CREATE TABLE appellations (no NUMBER, appelation CLOB, county CLOB, state CLOB, area CLOB, isava CLOB)

Find the county where produces the most number of wines with score higher than 90.
SELECT T1.county FROM appellations AS T1 JOIN wine AS T2 ON T1.appelation = T2.appelation WHERE T2.score > 90 GROUP BY T1.county ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."county" FROM "appellations" "T1" JOIN "wine" "T2" ON "T1"."appelation" = "T2"."appelation" AND "T2"."score" > 90 GROUP BY "T1"."county" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY