CREATE TABLE table_50882 ("Date" TEXT, "Home captain" TEXT, "Away captain" TEXT, "Venue" TEXT, "Result" TEXT)

Who is the away captain when the game resulted in [[|]] by 7 wickets?
SELECT "Away captain" FROM table_50882 WHERE "Result" = '[[|]] by 7 wickets'
SELECT "Away captain" FROM "table_50882" WHERE "Result" = '[[|]] by 7 wickets'