CREATE TABLE table_7582 ("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 is the average for the 1990s with a total of 1, and 0 in the 1980s?
SELECT AVG("1990s") FROM table_7582 WHERE "Total to date" = '1' AND "1980s" < '0'
SELECT AVG("1990s") FROM "table_7582" WHERE "1980s" < '0' AND "Total to date" = '1'