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_18 ( days VARCHAR, year VARCHAR, constituency VARCHAR )

### Question ###
What are the number of days in 1945 where the constituent was heywood and radcliffe?

### Accurate SQL ###

SELECT days FROM table_name_18 WHERE year = "1945" AND constituency = "heywood and radcliffe"