Task: Text to Code
Input (English): Step 1: For each row in players table, find the corresponding rows in matches table.
Step 2: find first_name, country_code, loser_age of the results of step 1 with largest value of winner_rank
Output (English): SELECT T1.first_name , T1.country_code , T2.loser_age FROM players AS T1 JOIN matches AS T2 ON T1.player_id = T2.loser_id ORDER BY T2.winner_rank Desc LIMIT 1