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

### Instruction:
What was the maximum rank of the source with renewable percentage w/o hydro is 2.17%?

### Inputs:
table_name: table, columns: ['Rank', 'Rank w/o Hydropower', 'State', '% Renewable', '% Renewable w/o Hydro', 'Renewable electricity (GW·h)', 'Renewable electricity w/o Hydro (GW·h)', 'Total electricity (GW·h)']

### Response:
SELECT MAX Rank FROM table WHERE % Renewable w/o Hydro = 2.17%