user: ### NOW ANSWER:
Question: What is the corresponding 1930s for 2000 and 1940?
Columns: ['1910s', '1920s', '1930s', '1940s', '1950s', '1960s', '1970s', '1980s', '1990s', '2000s']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1910.0, 1920.0, 1930.0, 1940.0, 1950.0, 1960.0, 1970.0, 1980.0, 1990.0, 2000.0]
SQL:

assistant: SELECT SUM("1930s") FROM "Table" WHERE "2000s" = 2000.0 AND "1940s" < 1940.0;