Give the color of the grape whose wine products have the highest average price?
SELECT T1.Color FROM GRAPES AS T1 JOIN WINE AS T2 ON T1.Grape  =  T2.Grape GROUP BY T2.Grape ORDER BY AVG(Price) DESC LIMIT 1
SELECT T1.Color FROM GRAPES AS T1 JOIN WINE AS T2 ON T1.Grape  =  T2.Grape GROUP BY T2.Grape ORDER BY AVG(Price) DESC LIMIT 1
[{'Color': 'White'}]