CREATE TABLE table_44129 ("Continent" TEXT, "Structure" TEXT, "Height" TEXT, "Year" FLOAT, "Country" TEXT)

Listed with a continent of Africa and before 2009 this structure is called what?
SELECT "Structure" FROM table_44129 WHERE "Year" < '2009' AND "Continent" = 'africa'
SELECT "Structure" FROM "table_44129" WHERE "Continent" = 'africa' AND "Year" < '2009'