Table schema:
CREATE TABLE table_name_84 (year_named INTEGER, name VARCHAR, diameter__km_ VARCHAR)

Question: Which Year named has a Name of nuptadi planitia, and a Diameter (km) larger than 1,200.0?
SQL: SELECT MIN(year_named) FROM table_name_84 WHERE name = "nuptadi planitia" AND diameter__km_ > 1 OFFSET 200.0