CREATE TABLE table_67379 ("Aircraft" TEXT, "Origin" TEXT, "Type" TEXT, "Versions" TEXT, "In service" FLOAT)

How many Antonov An-2 Colt aircraft are in service?
SELECT AVG("In service") FROM table_67379 WHERE "Aircraft" = 'antonov an-2 colt'
SELECT AVG("In service") FROM "table_67379" WHERE "Aircraft" = 'antonov an-2 colt'