Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which Total Cargo (Metric Tonnes) is the highest one that has a Rank smaller than 4, and an Airport of shanghai pudong international airport?

### Inputs:
table_name: table, columns: ['Rank', 'Airport', 'Code (IATA/ICAO)', 'Total Cargo (Metric Tonnes)', '% Change']

### Response:
SELECT MAX Total Cargo (Metric Tonnes) FROM table WHERE Rank < 4 AND Airport = shanghai pudong international airport