CREATE TABLE table_name_83 (debut_year NUMBER, player VARCHAR2, games VARCHAR2)

what is the debut year for player terry fulton with games less than 51?
SELECT AVG(debut_year) FROM table_name_83 WHERE player = "terry fulton" AND games < 51
SELECT AVG("debut_year") FROM "table_name_83" WHERE "games" < 51 AND "player" = "terry fulton"