CREATE TABLE table_39519 ("Source" CLOB, "Date" CLOB, "DeSUS" CLOB, "Zares" CLOB, "NLPD" CLOB)

What is the source for Zares at 8.6%?
SELECT "Source" FROM table_39519 WHERE "Zares" = '8.6%'
SELECT "Source" FROM "table_39519" WHERE "Zares" = '8.6%'