CREATE TABLE table_15415 ("Year" FLOAT, "Population  ( Region total ) " FLOAT, "Population  ( Mareeba ) " FLOAT, "Population  ( Atherton ) " FLOAT, "Population  ( Herberton ) " FLOAT, "Population  ( Eacham ) " FLOAT)

What was the population of Herberton when Mareeba had 17,129 people and Eacham had a population smaller than 5,609?
SELECT SUM("Population (Herberton)") FROM table_15415 WHERE "Population (Mareeba)" = '17,129' AND "Population (Eacham)" < '5,609'
SELECT SUM("Population (Herberton)") FROM "table_15415" WHERE "Population (Eacham)" < '5,609' AND "Population (Mareeba)" = '17,129'