Table schema:
CREATE TABLE table_19948664_1 (index__year_ VARCHAR, author___editor___source VARCHAR, ranking_la__2_ VARCHAR)

Question: What index was created by the United Nations (UNDP) and reached 2nd place in the LA Ranking?
SQL: SELECT index__year_ FROM table_19948664_1 WHERE author___editor___source = "United Nations (UNDP)" AND ranking_la__2_ = "2nd"