user: Question: Who is the monarch when became heir; reason is 13 July 1783 father succeeded?
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: ['Alaungpaya', 'Naungdawgyi', 'Heir apparent', 'son', '29 February 1752 Formation of Konbaung Dynasty', '11 May 1760 succeeded', 'Hsinbyushin 1760–1763, brother']
SQL:

assistant: SELECT "Monarch" FROM "Table" WHERE "Became heir; reason" = '13 July 1783 father succeeded';