user: Question: When the rank is less than 4, and has a second quarter of Exxon Mobil 341,140.3, what is the fourth quarter?
Columns: ['Rank', 'First quarter', 'Second quarter', 'Third quarter', 'Fourth quarter']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Exxon Mobil 336,525', 'PetroChina 366,662.9', 'Exxon Mobil 329,725', 'PetroChina 353,140.1']
SQL:

assistant: SELECT "Fourth quarter" FROM "Table" WHERE "Rank" < 4.0 AND "Second quarter" = 'Exxon Mobil 341,140.3';