How many times did Public Policy Polling under Republican: Jack Hoogendyk?
CREATE TABLE table_16751596_6 (
    republican VARCHAR,
    poll_source VARCHAR
)
SELECT COUNT(republican) AS :_jack_hoogendyk FROM table_16751596_6 WHERE poll_source = "Public Policy Polling"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many times did Public Policy Polling under Republican: Jack Hoogendyk? ### Input: CREATE TABLE table_16751596_6 (
    republican VARCHAR,
    poll_source VARCHAR
) ### Response: SELECT COUNT(republican) AS :_jack_hoogendyk FROM table_16751596_6 WHERE poll_source = "Public Policy Polling"