CREATE TABLE table_63595 ("County" TEXT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

What was the population of Green County?
SELECT MIN("Population") FROM table_63595 WHERE "County" = 'green'
SELECT MIN("Population") FROM "table_63595" WHERE "County" = 'green'