CREATE TABLE table_20914 ("Central Forest Reserve" TEXT, "Size in km\\u00b2" FLOAT, "Total plant species" FLOAT, "Tree species" FLOAT, "Endemic" FLOAT, "Threatened  ( CR , VU , EN ) " FLOAT)

How many tree species are there when the total plant species is 113?
SELECT COUNT("Tree species") FROM table_20914 WHERE "Total plant species" = '113'
SELECT COUNT("Tree species") FROM "table_20914" WHERE "Total plant species" = '113'