CREATE TABLE table_11806 ("Race" CLOB, "Circuit" CLOB, "Date" CLOB, "Pole position" CLOB, "Fastest lap" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

What circuit was for the german grand prix?
SELECT "Circuit" FROM table_11806 WHERE "Race" = 'german grand prix'
SELECT "Circuit" FROM "table_11806" WHERE "Race" = 'german grand prix'