CREATE TABLE table_17524 ("Round" FLOAT, "Date" TEXT, "Grand Prix" TEXT, "Circuit" TEXT, "125cc winner" TEXT, "250cc winner" TEXT, "MotoGP winner" TEXT, "Report" TEXT)

What is the date of the German Grand Prix?
SELECT "Date" FROM table_17524 WHERE "Grand Prix" = 'German Grand Prix'
SELECT "Date" FROM "table_17524" WHERE "Grand Prix" = 'German Grand Prix'