CREATE TABLE table_16921 ("Year" FLOAT, "Property Taxes" TEXT, "Investment Earnings" TEXT, "Other Local Sources" TEXT, "State & Federal" TEXT, "Total Revenue" TEXT)

What is the local sources for property taxes of 11,631,227?
SELECT "Other Local Sources" FROM table_16921 WHERE "Property Taxes" = '11,631,227'
SELECT "Other Local Sources" FROM "table_16921" WHERE "Property Taxes" = '11,631,227'