Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_19474 ( "Date Released" text, "Polling institute" text, "Socialist" text, "Social Democratic" text, "Peoples Party" text, "Green-Communist" text, "Left Bloc" text, "Lead" text )

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

### Accurate SQL ###

SELECT "Social Democratic" FROM table_19474 WHERE "Left Bloc" = '5.5%'