what is the military conflict whose commanders are charles watson and charles watson ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commander dbr_Charles_Watson_ attr_open Royal_Navy_officer attr_close sep_dot var_uri dbo_commander dbr_Charles_Watson_ attr_open Royal_Navy_officer attr_close sep_dot var_uri a dbo_MilitaryConflict brack_close