CREATE TABLE table_51365 ("Year" FLOAT, "Property Taxes" TEXT, "Investment Earnings" TEXT, "Other Local Sources" TEXT, "State & Federal" TEXT, "Total Revenue" TEXT)

What were the investment earnings in the year that State and Federal taxes were $13,999,169?
SELECT "Investment Earnings" FROM table_51365 WHERE "State & Federal" = '13,999,169'
SELECT "Investment Earnings" FROM "table_51365" WHERE "State & Federal" = '13,999,169'