Table: f1_1997_race_results
Columns: round
grand_prix
pole_position
fastest_lap
winning_driver
winning_constructor
report

Question: Which grand prix had gerhard berger in his fastest lap and a jacques villeneuve pole position?
SQL: SELECT "grand_prix" FROM f1_1997_race_results WHERE "fastest_lap" = 'gerhard berger' AND "pole_position" = 'jacques villeneuve'