At what age did Roy Emerson complete the Grand Slam?
CREATE TABLE table_197638_6 (age INTEGER, player VARCHAR)
SELECT MAX(age) FROM table_197638_6 WHERE player = "Roy Emerson"
### Context: CREATE TABLE table_197638_6 (age INTEGER, player VARCHAR) ### Question: At what age did Roy Emerson complete the Grand Slam? ### Answer: SELECT MAX(age) FROM table_197638_6 WHERE player = "Roy Emerson"