Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
When mark critz (d) 50.8% tim burns (r) 49.2% are the candidates what is the party?

### Inputs:
table_name: table, columns: ['District', 'Incumbent', 'Party', 'First elected', 'Result', 'Candidates']

### Response:
SELECT Party FROM table WHERE Candidates = Mark Critz (D) 50.8% Tim Burns (R) 49.2%