CREATE TABLE table_77882 ("Race" TEXT, "Circuit" TEXT, "Date" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Constructor" TEXT, "Tyre" TEXT, "Report" TEXT)

What day did Emerson Fittipaldi win the Spanish Grand Prix?
SELECT "Date" FROM table_77882 WHERE "Winning driver" = 'emerson fittipaldi' AND "Race" = 'spanish grand prix'
SELECT "Date" FROM "table_77882" WHERE "Race" = 'spanish grand prix' AND "Winning driver" = 'emerson fittipaldi'