Name the written by for john trefor
CREATE TABLE table_2430014_6 (written_by VARCHAR, directed_by VARCHAR)
SELECT written_by FROM table_2430014_6 WHERE directed_by = "John Trefor"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2430014_6 (written_by VARCHAR, directed_by VARCHAR) Question: Name the written by for john trefor [/INST] SELECT written_by FROM table_2430014_6 WHERE directed_by = "John Trefor" </s>