query: SELECT T2.product_name ,  sum(T1.product_quantity) FROM Order_items AS T1 JOIN Products AS T2 ON T1.product_id  =  T2.product_id GROUP BY T2.product_name
question: Do Show all products names and that total quantitys ordered for each products name.
query_toks: SELECT T2.product_name , sum ( T1.product_quantity ) FROM Order_items AS T1 JOIN Products AS T2 ON T1.product_id = T2.product_id GROUP BY T2.product_name
query_toks_no_value: select t2 . product_name , sum ( t1 . product_quantity ) from order_items as t1 join products as t2 on t1 . product_id = t2 . product_id group by t2 . product_name
question_toks: Do Show all products names and that total quantitys ordered for each products name.