CREATE TABLE table_58826 ("Year" FLOAT, "Artist" TEXT, "Title" TEXT, "Format" TEXT, "Type" TEXT)

Who was the artist before 2010 with a Promotional 7' as a format?
SELECT "Artist" FROM table_58826 WHERE "Year" < '2010' AND "Format" = 'promotional 7'
SELECT "Artist" FROM "table_58826" WHERE "Format" = 'promotional 7' AND "Year" < '2010'