user: Question: How many reasons did the son and heir Kale Kyetaungnyo has when he ceased to be heir?
Columns: ['Monarch', 'Heir', 'Status', 'Relationship to Monarch', 'Became heir; reason', 'Ceased to be heir; reason', 'Next in succession']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Swasawke', 'Tarabya', 'Heir apparent', 'son', '1385 father elected king', 'May 1400 succeeded', 'Kale Kyetaungnyo 1400, son']
SQL:

assistant: SELECT COUNT("Ceased to be heir; reason") FROM "Table" WHERE "Relationship to Monarch" = 'son' AND "Heir" = 'Kale Kyetaungnyo';