CREATE TABLE table_name_26 (attendance NUMBER, venue VARCHAR2, round VARCHAR2)

What is the average attendance at a game held at Firhill for the 5(r) round?
SELECT AVG(attendance) FROM table_name_26 WHERE venue = "firhill" AND round = "5(r)"
SELECT AVG("attendance") FROM "table_name_26" WHERE "5(r)" = "round" AND "firhill" = "venue"