CREATE TABLE table_name_93 (attendance_g NUMBER, pos VARCHAR2, season VARCHAR2)

What is the average attendance for seasons before 1999 with pos of 8?
SELECT AVG(attendance_g) FROM table_name_93 WHERE pos = 8 AND season < 1999
SELECT AVG("attendance_g") FROM "table_name_93" WHERE "pos" = 8 AND "season" < 1999