This must be done in SQL and must do a,b,c,d.

Players(playerlD, playerName, team, position, birthYear) playerID is a player identifier used in MLB, and all players throughout the history of baseball have a unique ID playerName is player's name team is the name of the MLB team the player is currently playing on (or the last team the player played for if they are not currently playing) position is the position of the player birthYear is the year that player was born Teams(teamlD, teamName, home, leagueName) team!D is a unique ID internal to MLB. o teamName is the name of the team home is the home city of the team leagueName is the league the team is in, i.e. either "National" or "American", which stands for "National League" and "American League", respectively Games(gamelD, homeTeamID, guestTeamlD, date) o game!D is a unique ID used internally in MLB homeTeamID is the ID of the hometeam guestTeamID is the ID of the visiting team date is the date of the game