CREATE TABLE table_name_21 (nationality VARCHAR2, metric VARCHAR2, name VARCHAR2)

what is the nationality with the metric height of 2.36m named sun ming-ming?
SELECT nationality FROM table_name_21 WHERE metric = "2.36m" AND name = "sun ming-ming"
SELECT "nationality" FROM "table_name_21" WHERE "2.36m" = "metric" AND "name" = "sun ming-ming"