user: Question: What's the Pinyin name of the county with a postcode 246500?
Columns: ['English Name', 'Chinese Name (Simplified / Traditional)', 'Pinyin', 'Population', 'Post Code']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Yingjiang District', '迎江区 / 迎江區', 'Yíngjiāng Qū', 251000.0, 246000.0]
SQL:

assistant: SELECT "Pinyin" FROM "Table" WHERE "Post Code" = 246500.0;