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_51 ( position VARCHAR, pick VARCHAR, round VARCHAR )

### Question ###
What is position of the player with a pick number greater than 315 and a round of 30?

### Accurate SQL ###

SELECT position FROM table_name_51 WHERE pick > 315 AND round = 30