CREATE TABLE table_66704 ("Year" TEXT, "Births  ( 000s ) " FLOAT, "Deaths" FLOAT, "Natural Growth" FLOAT, "Total Fertility Rate" TEXT)

What was the amount of deaths that had a natural growth smaller than 3.4, and a total fertility rate of 1.63?
SELECT "Deaths" FROM table_66704 WHERE "Natural Growth" < '3.4' AND "Total Fertility Rate" = '1.63'
SELECT "Deaths" FROM "table_66704" WHERE "Natural Growth" < '3.4' AND "Total Fertility Rate" = '1.63'