CREATE TABLE sportsinfo (stuid NUMBER, sportname CLOB, hoursperweek NUMBER, gamesplayed NUMBER, onscholarship CLOB)
CREATE TABLE video_games (gameid NUMBER, gname CLOB, gtype CLOB)
CREATE TABLE plays_games (stuid NUMBER, gameid NUMBER, hours_played NUMBER)
CREATE TABLE student (stuid NUMBER, lname CLOB, fname CLOB, age NUMBER, sex CLOB, major NUMBER, advisor NUMBER, city_code CLOB)

What is the total number of hours per week and number of games played by students under 20?
SELECT SUM(hoursperweek), SUM(gamesplayed) FROM sportsinfo AS T1 JOIN student AS T2 ON T1.stuid = T2.stuid WHERE T2.age < 20
SELECT SUM("hoursperweek"), SUM("gamesplayed") FROM "sportsinfo" "T1" JOIN "student" "T2" ON "T1"."stuid" = "T2"."stuid" AND "T2"."age" < 20