CREATE TABLE table_name_16 (ihsaa_football_class VARCHAR, county VARCHAR, school VARCHAR)

What is the IHSAA Football Class for county 67 putnam at Greencastle?
SELECT ihsaa_football_class FROM table_name_16 WHERE county = "67 putnam" AND school = "greencastle"
SELECT "ihsaa_football_class" FROM "table_name_16" WHERE "67 putnam" = "county" AND "greencastle" = "school"