CREATE TABLE table_58511 ("Round" TEXT, "Date" TEXT, "Home Team" TEXT, "Score" TEXT, "Away Team" TEXT, "Crowd" FLOAT, "Stadium" TEXT, "Match Details" TEXT)

In the match where newcastle jets was the away team, what was the crown attendance?
SELECT "Crowd" FROM table_58511 WHERE "Away Team" = 'newcastle jets'
SELECT "Crowd" FROM "table_58511" WHERE "Away Team" = 'newcastle jets'