CREATE TABLE table_31499 ("Townland" CLOB, "Area (  acres  ) " FLOAT, "Barony" CLOB, "Civil parish" CLOB, "Poor law union" CLOB)

How many different sizes (in acres) are noted for Rathcoola East?
SELECT COUNT("Area( acres )") FROM table_31499 WHERE "Townland" = 'Rathcoola East'
SELECT COUNT("Area( acres )") FROM "table_31499" WHERE "Townland" = 'Rathcoola East'