CREATE TABLE table_52605 ("Race" TEXT, "Circuit" TEXT, "Date" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Constructor" TEXT, "Tyre" TEXT, "Report" TEXT)

When was pedro rodr guez the winning driver?
SELECT "Date" FROM table_52605 WHERE "Winning driver" = 'pedro rodríguez'
SELECT "Date" FROM "table_52605" WHERE "Winning driver" = 'pedro rodríguez'