CREATE TABLE table_73961 ("Monarch" TEXT, "Heir" TEXT, "Status" TEXT, "Relationship to Monarch" TEXT, "Became heir; reason" TEXT, "Ceased to be heir; reason" TEXT, "Next in succession" TEXT)

How many reasons did the son and heir Kale Kyetaungnyo has when he ceased to be heir?
SELECT COUNT("Ceased to be heir; reason") FROM table_73961 WHERE "Relationship to Monarch" = 'son' AND "Heir" = 'Kale Kyetaungnyo'
SELECT COUNT("Ceased to be heir; reason") FROM "table_73961" WHERE "Heir" = 'Kale Kyetaungnyo' AND "Relationship to Monarch" = 'son'