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 mill (name VARCHAR, built_year VARCHAR, TYPE VARCHAR)

### Question ###
What are the names and year of construction for the mills of 'Grondzeiler' type?

### Accurate SQL ###

SELECT name, built_year FROM mill WHERE TYPE = 'Grondzeiler'