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_67 (spike INTEGER, name VARCHAR, block VARCHAR)
### Question:
What is the average Spike, when Name is Gustavo Porporatto, and when Block is greater than 323?
### Answer:
SELECT AVG(spike) FROM table_name_67 WHERE name = "gustavo porporatto" AND block > 323