text: 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_80 (freight_carried_s_tonne INTEGER, year VARCHAR, road_closed VARCHAR, super_b_capacity_reached_ VARCHAR, _citation_needed_ VARCHAR)
  ### Question:
  What is the smallest amount of freight carried on the road that closed on March 31 and reached super B capacity on February 17 after 2011?
  ### Answer:
  SELECT MIN(freight_carried_s_tonne) FROM table_name_80 WHERE road_closed = "march 31" AND super_b_capacity_reached_[_citation_needed_] = "february 17" AND year > 2011