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

Find the first name and age of the 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")