CREATE TABLE table_17502 (".308 Winchester cartridge type" CLOB, "100 m group  ( mm ) " CLOB, "100 m group  (  MOA  ) " CLOB, "300 m group  ( mm ) " CLOB, "300 m group  (  MOA  ) " CLOB)

What are all the 100 m group (mm) with a .308 winchester cartridge type of .300 winchester magnum cartridge type
SELECT "100 m group (mm)" FROM table_17502 WHERE ".308 Winchester cartridge type" = '.300 Winchester Magnum cartridge type'
SELECT "100 m group (mm)" FROM "table_17502" WHERE ".308 Winchester cartridge type" = '.300 Winchester Magnum cartridge type'