CREATE TABLE table_7585 ("1900s" FLOAT, "1920s" FLOAT, "1930s" FLOAT, "1940s" FLOAT, "1950s" FLOAT, "1960s" FLOAT, "1970s" FLOAT, "1980s" FLOAT, "1990s" FLOAT, "2000s to date" FLOAT, "Total to date" FLOAT)

What was the sum for the 1990s, that has 0 in the 1900s?
SELECT SUM("1990s") FROM table_7585 WHERE "1900s" < '0'
SELECT SUM("1990s") FROM "table_7585" WHERE "1900s" < '0'