CREATE TABLE table_54138 ("Rank" FLOAT, "Airline/Holding" TEXT, "Passenger Fleet" FLOAT, "Current Destinations" FLOAT, "Alliance/ Association" TEXT)

For airlines named Aeroflot Group, what is the alliance?
SELECT "Alliance/ Association" FROM table_54138 WHERE "Airline/Holding" = 'aeroflot group'
SELECT "Alliance/ Association" FROM "table_54138" WHERE "Airline/Holding" = 'aeroflot group'