Table: wake forest demon deacons football , 1970 - 79
Question: How often did the Wake Forest Demon Deacons play their opponents twice in the 1970-79 period?
Step 1 (Operation, Indexing): opponent
Step 2 (Operation, Grouping): opponent
Step 3 (Reasoning, Aggregating): COUNT, opponent
Step 4 (Reasoning, Aggregating): COUNT, play their opponents twice
Answer: 0