CREATE TABLE table_64821 ("Name  ( pinyin ) " CLOB, "Name  ( Wade Giles ) " CLOB, "Characters" CLOB, "Type" CLOB, "Construction" CLOB)

which Construction is named heng-hai?
SELECT "Construction" FROM table_64821 WHERE "Name (Wade Giles)" = 'heng-hai'
SELECT "Construction" FROM "table_64821" WHERE "Name (Wade Giles)" = 'heng-hai'