CREATE TABLE table_56812 ("Race Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

Name the constructor for vii kanonloppet
SELECT "Constructor" FROM table_56812 WHERE "Race Name" = 'vii kanonloppet'
SELECT "Constructor" FROM "table_56812" WHERE "Race Name" = 'vii kanonloppet'