What is the ratio between famous current legislators and famous historical legislators?
ratio = DIVIDE(COUNT(current.bioguide_id WHERE current.wikipedia_id is not null), COUNT(historical.bioguide_id WHERE historical.wikipedia_id is not null)); famous current legislators refers to current.wikipedia_id is not null; famous historical legislators refers to historical.wikipedia_id is not null;
SELECT CAST(COUNT(CASE WHEN wikipedia_id IS NOT NULL THEN bioguide_id ELSE 0 END) AS REAL) * 100 / ( SELECT COUNT(CASE WHEN wikipedia_id IS NOT NULL THEN bioguide_id ELSE 0 END) FROM historical ) FROM current