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_14439 ( "Player" text, "Position" text, "Round" text, "Overall" real, "MLB Team" text )

### Question ###
What position was less than 421 overall played by Matt Clark?

### Accurate SQL ###

SELECT "Position" FROM table_14439 WHERE "Overall" < '421' AND "Player" = 'matt clark'