แสดงชื่อผู้เล่นและชื่อโค้ช ไม่จำเป็นต้องใช้ตารางทั้งหมด
Show the names of players and names of their coaches.It is not neccessary to use all the tables.
 player:  (Player_name [ VARCHAR ] Player_ID [ VARCHAR) ]
SELECT T3.Player_name, T2.coach_name FROM player_coach AS T1 JOIN coach AS T2 ON T1.Coach_ID = T2.Coach_ID JOIN player AS T3 ON T1.Player_ID = T3.Player_ID