Writing mulitple querry
FMResultSet *resultOfDesiredCuisine = [db executeQueryWithFormat:@"select * from dishes where cuisineId IN (select cuisineId from cuisines where  Lower(cuisineName) like %@) and
        categoryID IN "(select categoryID from categories where Lower(categoryName) like %@)",cuisineName,categoryName];

FMResultSet *resultOfDesiredCuisine = [db executeQueryWithFormat:@"SELECT * FROM dishes WHERE cuisineId IN (SELECT cuisineId FROM cuisines WHERE LOWER(cuisineName) like ?) AND
        categoryID IN (SElECT categoryID FROM categories WHERE LOWER(categoryName) LIKE ?)", cuisineName, categoryName];