1890
The State Duma , or lower house of parliament , voted 381 - 51 to approve the bill , which was strongly backed by President Vladimir Putin .
 The State Duma , or lower house of parliament, lower house of parliament, parliament, President, President Vladimir Putin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 The State Duma , or lower house of parliament, lower house of parliament, parliament, President, President Vladimir Putin