user: Question: What is Left Office, when Inaugurate is "15 March 1930"?
Columns: ['First Vice President', 'Second Vice President', 'Third Vice president', 'Inaugurated', 'Left Office']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Gen. Mauro de León', 'Rodolfo Sandoval', 'Col. Baudilio Santos Deroga', '26 March 1928', '15 March 1929']
SQL:

assistant: SELECT "Left Office" FROM "Table" WHERE "Inaugurated" = '15 March 1930';