CREATE TABLE table_2871 ("Year" FLOAT, "Title of Drama" TEXT, "Name of Role" TEXT, "Nature of Role" TEXT, "Co-Artists" TEXT, "Location" TEXT)

Who is every co-artist with name of role as Ah-Zhong ?
SELECT "Co-Artists" FROM table_2871 WHERE "Name of Role" = 'Ah-Zhong 阿忠'
SELECT "Co-Artists" FROM "table_2871" WHERE "Name of Role" = 'Ah-Zhong 阿忠'