What is the average Year when the Competition was friendly, and a Club of everton?
CREATE TABLE table_name_28 (year INTEGER, competition VARCHAR, club VARCHAR)
SELECT AVG(year) FROM table_name_28 WHERE competition = "friendly" AND club = "everton"
### Context: CREATE TABLE table_name_28 (year INTEGER, competition VARCHAR, club VARCHAR) ### Question: What is the average Year when the Competition was friendly, and a Club of everton? ### Answer: SELECT AVG(year) FROM table_name_28 WHERE competition = "friendly" AND club = "everton"