Question: find the names of states that have some collage plating in goalie and mid positions.
SQL: SELECT T1.state FROM college AS T1 JOIN tryout AS T2 ON T1.cName   =   T2.cName WHERE T2.pPos   =   'goalie' INTERSECT SELECT T1.state FROM college AS T1 JOIN tryout AS T2 ON T1.cName   =   T2.cName WHERE T2.pPos   =   'mid'