CREATE TABLE table_204_572 (id NUMBER, "rank" NUMBER, "county" CLOB, "per capita\ income" CLOB, "median\ household\ income" CLOB, "median\ family\ income" CLOB, "population" NUMBER, "number of\ households" NUMBER)

how many counties have a median household income of at least $ 50,000 ?
SELECT COUNT("county") FROM table_204_572 WHERE "median\nhousehold\nincome" >= 50000
SELECT COUNT("county") FROM "table_204_572" WHERE "median\nhousehold\nincome" >= 50000