SELECT T1.Country_name FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id  =  T2.Country WHERE T2.Position  =  "Forward" INTERSECT SELECT T1.Country_name FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id  =  T2.Country WHERE T2.Position  =  "Defender"
Return the names of countries that have players that play the Forward position, as well as players who play the Defender position.
SELECT T1.Country_name FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id = T2.Country WHERE T2.Position = `` Forward '' INTERSECT SELECT T1.Country_name FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id = T2.Country WHERE T2.Position = `` Defender ''
select t1 . country_name from country as t1 join match_season as t2 on t1 . country_id = t2 . country where t2 . position = value intersect select t1 . country_name from country as t1 join match_season as t2 on t1 . country_id = t2 . country where t2 . position = value
Return the names of countries that have players that play the Forward position , as well as players who play the Defender position .