CREATE TABLE table_58237 ("Index  ( Year ) " CLOB, "Author / Editor / Source" CLOB, "Year of publication" CLOB, "Countries sampled" FLOAT, "World Ranking  ( 1 ) " CLOB, "Ranking L.A.  ( 2 ) " CLOB)

In 2008, what was the world ranking that ranked 5th in L.A.?
SELECT "World Ranking (1)" FROM table_58237 WHERE "Ranking L.A. (2)" = '5th' AND "Year of publication" = '2008'
SELECT "World Ranking (1)" FROM "table_58237" WHERE "Ranking L.A. (2)" = '5th' AND "Year of publication" = '2008'