What are the names of the parts that have a part supply cost of at least 1,000?
name of the part refers to p_name; part supply cost of at least 1,000 refers to ps_supplycost > 1000
SELECT T1.p_name FROM part AS T1 INNER JOIN partsupp AS T2 ON T1.p_partkey = T2.ps_partkey WHERE T2.ps_supplycost > 1000