Question: What index was created by the United Nations (UNDP) and reached 2nd place in the LA Ranking?
Schema: create table table_19948664_1 (index__year_ varchar, author___editor___source varchar, ranking_la__2_ varchar, PRIMARY KEY (index__year_))
SQL: select index__year_ from table_19948664_1 where author___editor___source = "united nations (undp)" and ranking_la__2_ = "2nd"