user: Question: How many deaths were there during the Shipwreck in 1873?
Columns: ['Disaster', 'Type', 'Location', 'Deaths', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Spanish flu', 'Pandemic', 'Canada', '50,000 (estimate)', '1918 to 1919']
SQL:

assistant: SELECT SUM("Deaths") FROM "Table" WHERE "Type" = 'Shipwreck' AND "Date" = '1873';