CREATE TABLE table_28719 ("Monarch" TEXT, "Heir" TEXT, "Status" TEXT, "Relationship to Monarch" TEXT, "Became heir; reason" TEXT, "Ceased to be heir; reason" TEXT, "Next in succession" TEXT)

When is the became heir; reason when heir is hsinbyushin?
SELECT "Became heir; reason" FROM table_28719 WHERE "Heir" = 'Hsinbyushin'
SELECT "Became heir; reason" FROM "table_28719" WHERE "Heir" = 'Hsinbyushin'