user: Question: When the first quarter is Procter & Gamble 138,013, what is the rank?
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 "Rank" FROM "Table" WHERE "First quarter" = 'Procter & Gamble 138,013';