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_15624586_2 (indigenous_mining_production_2006 VARCHAR, _percentage_of_world_demand VARCHAR)
  ### Question:
  What is the  indigenous mining production of the country that uses 3.4% of the world demand?
  ### Answer:
  SELECT indigenous_mining_production_2006 FROM table_15624586_2 WHERE _percentage_of_world_demand = "3.4%"