user: Question: Which Year born (Age) has a Current Club of Sporting Al Riyadi Beirut, and a Position of PF?
Columns: ['Player', 'Height', 'Position', 'Year born (Age)', 'Current Club']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Jean Abdel-Nour', 1.98, 'SF', 'November 29, 1983 (age30)', 'Bluestars']
SQL:

assistant: SELECT "Year born (Age)" FROM "Table" WHERE "Current Club" = 'Sporting Al Riyadi Beirut' AND "Position" = 'PF';