question: In what year did the three EI techniques from ISO 12232:1998 largely stop being used ?
answer: approximately 2007 and later
turker_answer: In approximately 2007 and later , the three El techniques from ISO 12232:1998 largely stopped being used .
rule-based: Did the three EI techniques from ISO 12232:1998 largely stop being used in approximately 2007 and later .