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_name_30 ( paper_type VARCHAR, denomination VARCHAR, date_of_issue VARCHAR )

### Question ###
Which Paper Type has a Denomination of $0.50 and Date of Issue 4 February 2005?

### Accurate SQL ###

SELECT paper_type FROM table_name_30 WHERE denomination = "$0.50" AND date_of_issue = "4 february 2005"