Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_5472 ( "Corps Name" text, "Number of Finals Appearances" real, "Year of First Appearance" real, "Year of Most Recent Appearance" real, "All Years of Finals Appearances" text )

### Question ###
What is the average year of the most recent appearance of the Boston Crusaders, who had their first appearance after 1976?

### Accurate SQL ###

SELECT AVG("Year of Most Recent Appearance") FROM table_5472 WHERE "Year of First Appearance" > '1976' AND "Corps Name" = 'boston crusaders'