Table:
text: World's busiest airports by cargo traffic
2010 final statistics
2010 final statistics
Rank_ Airport Code_IATA_ICAO Total_Cargo_Metric_Tonnes _Change
1. Hong Kong International Airport HKG/VHHH 4168394 23.2%
2. Memphis International Airport MEM/KMEM 3916937 5.9%
3. Shanghai Pudong International Airport PVG/ZSPD 3227914 27.1%
4. Incheon International Airport ICN/RKSI 2684500 16.1%
5. Ted Stevens Anchorage International Airport ANC/PANC 2578396 33.1%
6. Frankfurt Airport FRA/EDDF 2475106 20.5%
7. Paris-Charles de Gaulle Airport CDG/LFPG 2399067 16.8%
8. Dubai International Airport DXB/OMDB 2270498 17.8%
9. Narita International Airport NRT/RJAA 2167843 17.1%
10. Louisville International Airport SDF/KSDF 2166226 11.1%
11. Singapore Changi Airport SIN/WSSS 1841004 10.9%
12. Miami International Airport MIA/KMIA 1835793 17.9%
13. Los Angeles International Airport LAX/KLAX 1810345 15.5%

Question: What is the total freight (in metric tons) if the code is (IATA/ICAO) pvg/zspd and the rank is less than 3 for the world's busiest airports by freight traffic of the Final Statistics 2010?