user: Question: What was the maximum rank of the source with renewable percentage w/o hydro is 2.17%?
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)']
Types: ['real', 'real', 'text', 'text', 'text', 'real', 'real', 'real']
Sample row: [1.0, 7.0, 'Idaho', '92.3%', '11.89%', 14739.0, 1898.0, 15968.0]
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "% Renewable w/o Hydro" = '2.17%';