CREATE TABLE table_name_85 (overall INT, round VARCHAR, position VARCHAR)

WHAT IS THE AVERAGE OVERALL WITH A ROUND LARGER THAN 9, AND RB POSITION?
SELECT AVG(overall) FROM table_name_85 WHERE round > 9 AND position = "rb"
SELECT AVG("overall") FROM "table_name_85" WHERE "position" = "rb" AND "round" > 9