CREATE TABLE table_name_64 (round VARCHAR2, college VARCHAR2, overall VARCHAR2)

Which Round has a College of appalachian state, and an Overall smaller than 156?
SELECT COUNT(round) FROM table_name_64 WHERE college = "appalachian state" AND overall < 156
SELECT COUNT("round") FROM "table_name_64" WHERE "appalachian state" = "college" AND "overall" < 156