Coding foundation- Tennis Tournament

Question

Hello, could anyone help me with this SQL code? It's one of my first approaches to SQL coding and I'm a bit confused

https://sololearn.com/coach/1272182164/?ref=app

Answer 1

For each player, you should add the values in the columns set_1 set_2 and set_3 and put them in a column that is called Total.

Answer 2

#was also stuck
SELECT player_name, set_1+set_2+set_3 AS Total
FROM matches
--this_worked_for_me--