Who has been coached by Jameson Tomas?
SELECT T3.Player_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 WHERE T2.Coach_name   =   "Jameson Tomas"
coached by Jameson Tomas implies filtering by coach name (Coach_name = 'Jameson Tomas'); retrieving names of players coached by Jameson Tomas involves joining tables: player_coach with coach, and player_coach with player; Player_name is the desired information.