CREATE TABLE WINE (Appelation VARCHAR2, Score NUMBER)
CREATE TABLE APPELLATIONS (County VARCHAR2, Appelation VARCHAR2)

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