user: Question: What is the total number of areas that are called Nanqiao District?
Columns: ['English Name', 'Simplified Chinese', 'Traditional Chinese', 'Pinyin', 'Area', 'Population', 'Density']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'real']
Sample row: ['Langya District', '琅琊区', '瑯琊區', 'Lángyá Qū', 181.0, 310427.0, 1715.0]
SQL:

assistant: SELECT SUM("Area") FROM "Table" WHERE "English Name" = 'Nanqiao District';