user: ### NOW ANSWER:
Question: What is the amount of snow where the days for storms are 31?
Columns: ['Sunshine (hrs/year)', 'Rain (mm/year)', 'Snow (days/year)', 'Storms (days/year)', 'Fog (days/year)']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['1973', '770', 14.0, 22.0, 40.0]
SQL:

assistant: SELECT SUM("Snow (days/year)") FROM "Table" WHERE "Storms (days/year)" = 31.0;