CREATE TABLE table_28715 ("Monarch" TEXT, "Heir" TEXT, "Status" TEXT, "Relationship to Monarch" TEXT, "Became heir; reason" TEXT, "Ceased to be heir; reason" TEXT, "Next in succession" TEXT)

What is the number of monarchs that had Yan Maw la Mon as the heir?
SELECT COUNT("Monarch") FROM table_28715 WHERE "Heir" = 'Yan Maw La Mon'
SELECT COUNT("Monarch") FROM "table_28715" WHERE "Heir" = 'Yan Maw La Mon'