CREATE TABLE table_73086 ("World Rank" FLOAT, "Company" CLOB, "Industry" CLOB, "Revenue  ( billion $ ) " CLOB, "Profits  ( billion $ ) " CLOB, "Assets  ( billion $ ) " CLOB, "Market Value  ( billion $ ) " CLOB)

Name the world rank for market value 17.2
SELECT "World Rank" FROM table_73086 WHERE "Market Value (billion $)" = '17.2'
SELECT "World Rank" FROM "table_73086" WHERE "Market Value (billion $)" = '17.2'