SELECT "Text" FROM table_7574 WHERE "Wade-Giles" = 'ai-ma … hsin-yüan'
Which text has Wade-Giles translation of ai-ma hsin-y an?
CREATE TABLE table_7574 (
    "Date (CE)" text,
    "Text" text,
    "Simplified characters" text,
    "Traditional characters" text,
    "Pinyin" text,
    "Wade-Giles" text,
    "Literal meaning" text
)