user: Question: What is the Basin Area mi 2 when the Basin Area km 2 is larger than 2261763 and the Basin is pearl river?
Columns: ['Basin', 'Continent', 'Drains to', 'Basin Area km 2', 'Basin Area mi 2']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Atlantic Ocean', 'multiple', 'n/a', 69800000.0, '26,900,000']
SQL:

assistant: SELECT "Basin Area mi 2" FROM "Table" WHERE "Basin Area km 2" > 2261763.0 AND "Basin" = 'pearl river';