Table: f1_season_1993
Columns: round
grand_prix
date
location
pole_position
fastest_lap
winning_driver
winning_constructor
report

Question: On which date was the winning driver Alain Prost and and had Damon Hill in the pole position?
SQL: SELECT "date" FROM f1_season_1993 WHERE "winning_driver" = 'Alain Prost' AND "pole_position" = 'Damon Hill'

Question: Which round was the Spanish Grand Prix?
SQL: SELECT "round" FROM f1_season_1993 WHERE "grand_prix" = 'Spanish Grand Prix'