SELECT count(*) ,  T1.product_name FROM product AS T1 JOIN problems AS T2 ON T1.product_id = T2.product_id GROUP BY T1.product_name ORDER BY count(*) DESC LIMIT 1
How many problems does the product with the most problems have? List the number of the problems and product name.
SELECT count ( * ) , T1.product_name FROM product AS T1 JOIN problems AS T2 ON T1.product_id = T2.product_id GROUP BY T1.product_name ORDER BY count ( * ) DESC LIMIT 1
select count ( * ) , t1 . product_name from product as t1 join problems as t2 on t1 . product_id = t2 . product_id group by t1 . product_name order by count ( * ) desc limit value
How many problems does the product with the most problems have ? List the number of the problems and product name .