CREATE TABLE college (cname CLOB, state CLOB, enr NUMBER)
CREATE TABLE tryout (pid NUMBER, cname CLOB, ppos CLOB, decision CLOB)
CREATE TABLE player (pid NUMBER, pname CLOB, ycard CLOB, hs NUMBER)

Find the states of the colleges that have students in the tryout who played in striker position.
SELECT T1.state FROM college AS T1 JOIN tryout AS T2 ON T1.cname = T2.cname WHERE T2.ppos = 'striker'
SELECT "T1"."state" FROM "college" "T1" JOIN "tryout" "T2" ON "T1"."cname" = "T2"."cname" AND "T2"."ppos" = 'striker'