user: ### NOW ANSWER:
Question: Which Stadium has a City of Panama City, and a Group of Group A, and a 2009 season of 1st in LNA (Champion)?
Columns: ['Club', 'City', 'Stadium', '2009 season', 'Group']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Atlético Nacional', 'Panama City', 'Estadio Javier Cruz', '3rd in LNA', 'Group B']
SQL:

assistant: SELECT "Stadium" FROM "Table" WHERE "City" = 'Panama City' AND "Group" = 'Group A' AND "2009 season" = '1st in LNA (Champion)';