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_2155350_2 (capacity__litres_ VARCHAR, cab_size VARCHAR, category VARCHAR)
### Question:
Name the capacity for single cab size 2 medium tanker
### Answer:
SELECT capacity__litres_ FROM table_2155350_2 WHERE cab_size = "Single" AND category = "2 Medium tanker"