Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_13 (total_cargo__metric_tonnes_ INTEGER, code__iata_icao_ VARCHAR, rank VARCHAR)
### Question:
What is the full amount of Total Cargo (in Metric Tonnes) where the Code (IATA/ICAO) is pvg/zspd, and the rank is less than 3?
### Answer:
SELECT SUM(total_cargo__metric_tonnes_) FROM table_name_13 WHERE code__iata_icao_ = "pvg/zspd" AND rank < 3