CREATE TABLE GRAPES (Grape VARCHAR(255), Color VARCHAR(255)); CREATE TABLE WINE (Grape VARCHAR(255), score VARCHAR(255))
Find the the grape whose white color grapes are used to produce wines with scores higher than 90.
    
SQL: SELECT DISTINCT T1.Grape FROM GRAPES AS T1 JOIN WINE AS T2 ON T1.Grape = T2.Grape WHERE T1.Color = "White" AND T2.score > 90