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_12113888_1 ( built VARCHAR, name_as_rebuilt VARCHAR )

### Question ###
What was the built data for Knocklayd rebuild?

### Accurate SQL ###

SELECT built FROM table_12113888_1 WHERE name_as_rebuilt = "Knocklayd"