CREATE TABLE table_65858 ("County" CLOB, "Per capita income" CLOB, "Median household income" CLOB, "Median family income" CLOB, "Population" FLOAT, "Number of households" FLOAT)

What is the per capita income of the county with a median family income of $40,492?
SELECT "Per capita income" FROM table_65858 WHERE "Median family income" = '$40,492'
SELECT "Per capita income" FROM "table_65858" WHERE "Median family income" = '$40,492'