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

What are the first names and ages of all students who are playing both Football and Lacrosse?
SELECT fname, age FROM student WHERE stuid IN (SELECT stuid FROM sportsinfo WHERE sportname = "Football" INTERSECT SELECT stuid FROM sportsinfo WHERE sportname = "Lacrosse")
SELECT "fname", "age" FROM "student" WHERE "stuid" IN (SELECT "stuid" FROM "sportsinfo" WHERE "Football" = "sportname" INTERSECT SELECT "stuid" FROM "sportsinfo" WHERE "Lacrosse" = "sportname")