Question: How much do the works data saved in English and Arabic differ from one another?
SQL: SELECT SUM(CASE WHEN T1.Name = 'English' THEN 1 ELSE 0 END) - SUM(CASE WHEN T1.Name = 'Arabic' THEN 1 ELSE 0 END) FROM Culture AS T1 INNER JOIN ProductModelProductDescriptionCulture AS T2 ON T1.CultureID = T2.CultureID WHERE T1.Name = 'English' OR T1.Name = 'Arabic'