user: Question: Which alliance has a rank of 40?
Columns: ['Rank', 'Airline/Holding', 'Passenger Fleet', 'Current Destinations', 'Alliance/ Association']
Types: ['real', 'text', 'real', 'real', 'text']
Sample row: [1.0, 'Lufthansa Group', 627.0, 283.0, 'Star Alliance']
SQL:

assistant: SELECT "Alliance/ Association" FROM "Table" WHERE "Rank" = 40.0;