CREATE TABLE table_70116 ("Rank" FLOAT, "Company" CLOB, "Revenues  ( US$ billion ) " FLOAT, "Profit  ( US$ billion ) " FLOAT, "Assets  ( US$ billion ) " FLOAT, "Market value  ( US$ billion ) " FLOAT)

What are the smallest assets with a Company of piraeus bank, and a Revenue (US$ billion) smaller than 3.9?
SELECT MIN("Assets (US$ billion)") FROM table_70116 WHERE "Company" = 'piraeus bank' AND "Revenues (US$ billion)" < '3.9'
SELECT MIN("Assets (US$ billion)") FROM "table_70116" WHERE "Company" = 'piraeus bank' AND "Revenues (US$ billion)" < '3.9'