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_19283806_4 (cook_pvi VARCHAR)
### Question:
How many election results in 2012 had a Cook PVI of D+16?
### Answer:
SELECT COUNT(2012 AS _election_results) FROM table_19283806_4 WHERE cook_pvi = "D+16"