CREATE TABLE table_name_38 (enrollment INT, mascot VARCHAR, year_joined VARCHAR)

What is the average enrollment that has hot dogs as the mascot, with a year joined later than 1926?
SELECT AVG(enrollment) FROM table_name_38 WHERE mascot = "hot dogs" AND year_joined > 1926
SELECT AVG("enrollment") FROM "table_name_38" WHERE "hot dogs" = "mascot" AND "year_joined" > 1926