question: What was the former name of the Comcast Building , location of GE 's main offices ?
answer: 30 Rockefeller Plaza at Rockefeller Center
turker_answer: The former name of the Comcast Building , location of GE 's main offices , was 30 Rockefeller Plaza at Rockefeller Center .
rule-based: The former name of the Comcast Building , location of GE 's main offices was 30 Rockefeller Plaza at Rockefeller Center .