Who was the artist before 2010 with a Promotional 7' as a format?
CREATE TABLE table_58826 (
    "Year" real,
    "Artist" text,
    "Title" text,
    "Format" text,
    "Type" text
)
SELECT "Artist" FROM table_58826 WHERE "Year" < '2010' AND "Format" = 'promotional 7'
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: Who was the artist before 2010 with a Promotional 7' as a format? ### Input: CREATE TABLE table_58826 (
    "Year" real,
    "Artist" text,
    "Title" text,
    "Format" text,
    "Type" text
) ### Response: SELECT "Artist" FROM table_58826 WHERE "Year" < '2010' AND "Format" = 'promotional 7'