Table: uci road world championships - men 's under - 23 time trial
Question: What is the difference in total medals earned between the nations with the highest rank and the nations with the third highest rank?
Step 1 (Operation, Indexing): total
Step 2 (Operation, Filter): rank = 1 or rank = 3
Step 3 (Reasoning, Grounding): the difference in total medals, total of rank 1 - total of rank 3
Step 4 (Reasoning, Arithmetic): -, total of rank 1 and total of rank 3
Answer: 5