CREATE TABLE table_28184 ("Country" TEXT, "Name of bullion coin" TEXT, "Fineness" TEXT, "Denominations  ( Gold weight ) " TEXT, "Years of mintage" TEXT)

What are all the denominations for China?
SELECT "Denominations (Gold weight)" FROM table_28184 WHERE "Country" = 'China'
SELECT "Denominations (Gold weight)" FROM "table_28184" WHERE "Country" = 'China'