CREATE TABLE table_name_27 (height NUMBER, position VARCHAR2, year_born__age_ VARCHAR2)

Count the average Height which has a Position of pf, and a Year born (Age) on april 1, 1981 (age32)?
SELECT AVG(height) FROM table_name_27 WHERE position = "pf" AND year_born__age_ = "april 1, 1981 (age32)"
SELECT AVG("height") FROM "table_name_27" WHERE "april 1, 1981 (age32)" = "year_born__age_" AND "pf" = "position"