Table schema:
CREATE TABLE table_name_17 (round VARCHAR, grand_prix VARCHAR, fastest_lap VARCHAR, pole_position VARCHAR)

Question: During the hungarian grand prix where the pole position was michael schumacher and the fastest lap was driven by damon hill, what's the total number of rounds of races matching these standards?
SQL: SELECT COUNT(round) FROM table_name_17 WHERE fastest_lap = "damon hill" AND pole_position = "michael schumacher" AND grand_prix = "hungarian grand prix"