Task: Text to Code
Input (English): SQL: SELECT Avg ( HS ) , Max ( HS ) FROM Player
Feedback: Find for students for whom Tryout's decision equals yes .
Output (English): SELECT avg(T1.HS) ,  max(T1.HS) FROM player AS T1 JOIN tryout AS T2 ON T1.pID  =  T2.pID WHERE T2.decision  =  'yes'