SCHEMA:
CREATE TABLE table_name_99 (population INTEGER, altitude__mslm_ VARCHAR, density__inhabitants_km_2__ VARCHAR, rank VARCHAR)
USER:
Which Population is the highest one that has a Density (inhabitants/km 2) larger than 2805.8, and a Rank of 1st, and an Altitude (mslm) smaller than 122?

QUERY:
SELECT MAX(population) FROM table_name_99 WHERE density__inhabitants_km_2__ > 2805.8 AND rank = "1st" AND altitude__mslm_ < 122