Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_68979 ( ".308 Winchester cartridge type" text, "100 m group (mm)" text, "100 m group ( MOA )" text, "300 m group (mm)" text, "300 m group ( MOA )" text )

### Question ###
Which of the .308 Winchester cartridge type has a 100 m group of 14 and also a 300 m group of 0.63?

### Accurate SQL ###

SELECT ".308 Winchester cartridge type" FROM table_68979 WHERE "100 m group (mm)" = '14' AND "300 m group ( MOA )" = '0.63'