user: Question: What is the sum of participants in 2013 for russia when there were 5 in 2010 and less than 4 in 2012?
Columns: ['Country', '2010', '2011', '2012', '2013']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Netherlands', 10.0, 9.0, 9.0, 11.0]
SQL:

assistant: SELECT SUM("2013") FROM "Table" WHERE "2010" = 5.0 AND "Country" = 'russia' AND "2012" < 4.0;