What is the 1998 value if the 2011 value is 30.4?
CREATE TABLE table_47240 (
    "1998" text,
    "2000" text,
    "2004" text,
    "2007" text,
    "2011" text
)
SELECT "1998" FROM table_47240 WHERE "2011" = '30.4'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the 1998 value if the 2011 value is 30.4? ### Input: CREATE TABLE table_47240 (
    "1998" text,
    "2000" text,
    "2004" text,
    "2007" text,
    "2011" text
) ### Response: SELECT "1998" FROM table_47240 WHERE "2011" = '30.4'