Table schema:
CREATE TABLE tryout (cName VARCHAR, pID VARCHAR); CREATE TABLE player (pID VARCHAR, pName VARCHAR); CREATE TABLE college (state VARCHAR, cName VARCHAR)

Question: Find the state of the college which player Charles is attending.
SQL: SELECT T1.state FROM college AS T1 JOIN tryout AS T2 ON T1.cName = T2.cName JOIN player AS T3 ON T2.pID = T3.pID WHERE T3.pName = 'Charles'