Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_47 (pick INTEGER, round VARCHAR, overall VARCHAR)
### Question:
How many picks had a round smaller than 6 and an overall bigger than 153?
### Answer:
SELECT SUM(pick) FROM table_name_47 WHERE round < 6 AND overall > 153