SCHEMA:
CREATE TABLE table_name_31 (out_of VARCHAR, year VARCHAR, source VARCHAR, rank VARCHAR)
USER:
Can you tell me the Out of that has the Source of united nations, and the Rank larger than 47, and the Year smaller than 2003?

QUERY:
SELECT out_of FROM table_name_31 WHERE source = "united nations" AND rank > 47 AND year < 2003