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_15366768_1 (element VARCHAR, isotopic_mass___u__ VARCHAR)
  ### Question:
  What is the name of the element with isotopic mass of 158.925 34(2)?
  ### Answer:
  SELECT element FROM table_15366768_1 WHERE isotopic_mass___u__ = "158.925 34(2)"