How many different partners played in the finale in 1973?
CREATE TABLE table_2820584_3 (partner VARCHAR, year VARCHAR)
SELECT COUNT(partner) FROM table_2820584_3 WHERE year = 1973
### Context: CREATE TABLE table_2820584_3 (partner VARCHAR, year VARCHAR) ### Question: How many different partners played in the finale in 1973? ### Answer: SELECT COUNT(partner) FROM table_2820584_3 WHERE year = 1973