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_86 (Id VARCHAR)
### Question:
What is the 1998 value if the 2011 value is 30.4?
### Answer:
SELECT 1998 FROM table_name_86 WHERE 2011 = "30.4"