user: Question: What candidate was Re-elected in the Louisiana 5 district? 
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Louisiana 2', 'Hale Boggs', 'Democratic', 1946.0, 'Re-elected', 'Hale Boggs (D) Unopposed']
SQL:

assistant: SELECT "Candidates" FROM "Table" WHERE "Result" = 'Re-elected' AND "District" = 'Louisiana 5';