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

What is the first name and last name of the student who have most number of sports?
SELECT T2.fname, T2.lname FROM sportsinfo AS T1 JOIN student AS T2 ON T1.stuid = T2.stuid GROUP BY T1.stuid ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T2"."fname", "T2"."lname" FROM "sportsinfo" AS "T1" JOIN "student" AS "T2" ON "T1"."stuid" = "T2"."stuid" GROUP BY "T1"."stuid" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1