CREATE TABLE table_name_21 (assists VARCHAR(255), minutes VARCHAR(255), player VARCHAR(255), position VARCHAR(255), goals VARCHAR(255))
What is the total number of assists when Edmundo Rodriguez is playing the position of striker, less than 4 goals were scored, and the minutes were less than 473?
    
SQL: SELECT COUNT(assists) FROM table_name_21 WHERE position = "striker" AND goals < 4 AND player = "edmundo rodriguez" AND minutes < 473