CREATE TABLE table_12779 ("Satellite" TEXT, "Launch date" TEXT, "Carrier rocket" TEXT, "Launch site" TEXT, "COSPAR ID" TEXT)

From where did the Scout carrier rocket with the satellite that has a COSPAR ID of 1971-109a launch?
SELECT "Launch site" FROM table_12779 WHERE "Carrier rocket" = 'scout' AND "COSPAR ID" = '1971-109a'
SELECT "Launch site" FROM "table_12779" WHERE "COSPAR ID" = '1971-109a' AND "Carrier rocket" = 'scout'