user: Question: What is the sum of Magnitude on February 12, 1953?
Columns: ['Date', 'Epicenter', 'Magnitude', 'Fatalities', 'Name']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['March 14, 1998', 'Golbaf', 6.6, '5', '1998 Golbaf earthquake']
SQL:

assistant: SELECT SUM("Magnitude") FROM "Table" WHERE "Date" = 'February 12, 1953';