CREATE TABLE table_1976898_1 (post_code INT, chinese_name__simplified___traditional_ VARCHAR)

What's the post code of the county with the Chinese name / ?
SELECT MIN(post_code) FROM table_1976898_1 WHERE chinese_name__simplified___traditional_ = "潜山县 / 潛山縣"
SELECT MIN("post_code") FROM "table_1976898_1" WHERE "chinese_name__simplified___traditional_" = "潜山县 / 潛山縣"