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

### Instruction:
What percentages of social democratic correspond to a 5.5% left bloc?

### Inputs:
table_name: table, columns: ['Date Released', 'Polling institute', 'Socialist', 'Social Democratic', 'Peoples Party', 'Green-Communist', 'Left Bloc', 'Lead']

### Response:
SELECT Social Democratic FROM table WHERE Left Bloc = 5.5%