user: Question: What years did the Representative from Iowa with a lifespan of 1880–1942 serve?
Columns: ['Representative', 'Years', 'State', 'Party', 'Lifespan']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Mark Udall', '1999–2009', 'Colorado', 'Democratic', '1950–']
SQL:

assistant: SELECT "Years" FROM "Table" WHERE "State" = 'Iowa' AND "Lifespan" = '1880–1942';