CREATE TABLE table_64935 ("Country" TEXT, "1960" FLOAT, "1961" FLOAT, "1962" FLOAT, "1963" FLOAT, "1964" FLOAT, "1965" FLOAT, "1966" FLOAT, "1967" FLOAT, "1968" FLOAT, "1969" FLOAT)

Which 1964 has a Country of united states, and a 1969 smaller than 7.3?
SELECT MIN("1964") FROM table_64935 WHERE "Country" = 'united states' AND "1969" < '7.3'
SELECT MIN("1964") FROM "table_64935" WHERE "1969" < '7.3' AND "Country" = 'united states'