Que derrotas teve o Racing de Santander, que marcou menos de 68 gols, teve uma diferença de gols de menos de 23 e 10 empates?
CREATE TABLE table_name_25 (losses INTEGER, club VARCHAR, draws VARCHAR, goals_against VARCHAR, goal_difference VARCHAR)
SELECT MAX(losses) FROM table_name_25 WHERE goals_against < 68 AND goal_difference < 23 AND draws = 10 AND club = "racing de santander"