question: Which Pick # has a Round larger than 5, and a Position of wide receiver, and a Name of gregory spann, and an Overall larger than 228?
answer: SELECT AVG(pick__number) FROM table_name_67 WHERE round > 5 AND position = "wide receiver" AND name = "gregory spann" AND overall > 228
context: CREATE TABLE table_name_67 (pick__number INTEGER, overall VARCHAR, name VARCHAR, round VARCHAR, position VARCHAR)