CREATE TABLE table_17576 ("County" TEXT, "Live births 2006" FLOAT, "GFR 2006" TEXT, "TFR 2006" TEXT, "Whites as % of Pop." TEXT)

How many TFR were there in 2006 when the GFR was 53.8?
SELECT "TFR 2006" FROM table_17576 WHERE "GFR 2006" = '53.8'
SELECT "TFR 2006" FROM "table_17576" WHERE "GFR 2006" = '53.8'