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_26211058_1 (specimen_weight_size VARCHAR, calculated_activity___ci__ VARCHAR)
  ### Question:
  If the calculated activity (CI) is  4.96×10 −11, what is the specimen weight/size?
  ### Answer:
  SELECT specimen_weight_size FROM table_26211058_1 WHERE calculated_activity___ci__ = "4.96×10 −11"