user: Question: What is the average 1940 value where 1929 values are 101.4 and 1933 values are over 68.3?
Columns: ['Table 2: Depression Data', '1929', '1931', '1933', '1937', '1938', '1940']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Real Gross National Product (GNP) 1', 101.4, 84.3, 68.3, 103.9, 103.7, 113.0]
SQL:

assistant: SELECT AVG("1940") FROM "Table" WHERE "1929" = 101.4 AND "1933" > 68.3;