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

How many students are enrolled in college?
SELECT SUM(enr) FROM college
SELECT SUM("enr") FROM "college"