CREATE TABLE table_12114 ("County" TEXT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

What is the median household income in Valley County?
SELECT "Median household income" FROM table_12114 WHERE "County" = 'valley'
SELECT "Median household income" FROM "table_12114" WHERE "County" = 'valley'