user: Question: which institutes gave the democratic renewal 18.0% – 22.0% on a poll from October 6, 1985?
Columns: ['Date Released', 'Institute', 'Socialist', 'Social Democratic', 'United People Alliance', 'Democratic and Social Centre', 'Democratic Renewal', 'Lead']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['October 6, 1985', 'Election Results', '20.8% 57 seats', '29.9% 88 seats', '15.5% 38 seats', '10.0% 22 seats', '17.9% 4 seats', '9.1%']
SQL:

assistant: SELECT "Institute" FROM "Table" WHERE "Democratic Renewal" = '18.0% – 22.0%';