Question: What is the Basin Area mi 2 when the Basin Area km 2 is larger than 2261763 and the Basin is pearl river?
SQL: SELECT "Basin Area mi 2" FROM "2-1075216-2" WHERE "Basin Area km 2" > 2261763.0 AND "Basin" = 'pearl river';

Question: Which Basin's Continent is south america, has a Basin Area km 2 larger than 6144727, and a Basin Area mi 2 of 238,539?
SQL: SELECT "Basin" FROM "2-1075216-2" WHERE "Continent" = 'south america' AND "Basin Area km 2" > 6144727.0 AND "Basin Area mi 2" = '238,539';