CREATE TABLE table_70121 ("Date" TEXT, "Home captain" TEXT, "Away captain" TEXT, "Venue" TEXT, "Result" TEXT)

Name the away captain with result of wi by 9 wkts
SELECT "Away captain" FROM table_70121 WHERE "Result" = 'wi by 9 wkts'
SELECT "Away captain" FROM "table_70121" WHERE "Result" = 'wi by 9 wkts'