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_50 ( school VARCHAR, round VARCHAR, position VARCHAR, pick VARCHAR )

### Question ###
From what school was the linebacker that had a pick less than 245 and was drafted in round 6?

### Accurate SQL ###

SELECT school FROM table_name_50 WHERE position = "linebacker" AND pick < 245 AND round = 6