CREATE TABLE table_61138 ("County" TEXT, "Per capita income" TEXT, "Median household income 1 , 000 , 000" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

What is the lowest number of households for the entry with a median income of $41,778 and a population greater than 38,319?
SELECT MIN("Number of households") FROM table_61138 WHERE "Median family income" = '$41,778' AND "Population" > '38,319'
SELECT MIN("Number of households") FROM "table_61138" WHERE "Median family income" = '$41,778' AND "Population" > '38,319'