CREATE TABLE table_2198 ("Index  ( Year ) " TEXT, "Author / Editor / Source" TEXT, "Year of publication" TEXT, "Countries sampled" FLOAT, "World Ranking  ( 1 ) " TEXT, "Ranking L.A.  ( 2 ) " TEXT)

What index was created by the United Nations (UNDP) and reached 2nd place in the LA Ranking?
SELECT "Index (Year)" FROM table_2198 WHERE "Author / Editor / Source" = 'United Nations (UNDP)' AND "Ranking L.A. (2)" = '2nd'
SELECT "Index (Year)" FROM "table_2198" WHERE "Author / Editor / Source" = 'United Nations (UNDP)' AND "Ranking L.A. (2)" = '2nd'