What is the max training hours of all players, please?
select max ( hs ) from player
What about the min?
select min ( hs ) from player
How about the average?
select avg ( hs ) from player
Who is the player with the lowest training hours?
select pname from player order by hs limit 1
What about the highest training hours, please?
select pname from player order by hs desc limit 1