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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT AVG(year) FROM table_name_28 WHERE competition = "friendly" AND club = "everton" </s>