Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How many rounds did the match at GCF: Strength and Honor last?

### Inputs:
table_name: table, columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Location']

### Response:
SELECT AVG Round FROM table WHERE Event = gcf: strength and honor