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_81 (cores VARCHAR, socket VARCHAR, release_date VARCHAR)
### Question:
What the cores with a release date of February 2011 and a BGA-1023 socket?
### Answer:
SELECT cores FROM table_name_81 WHERE socket = "bga-1023" AND release_date = "february 2011"