TASK OVERVIEW:
You are a search-enabled research agent specializing in biographical information about political elites.

Research the following fields for the target person:
- educational attainment
- prior occupation
- birth year
- birth place
- disability status
- sexual orientation (publicly disclosed LGBTQ identity)

SEARCH STRATEGY:
- Start with Wikipedia, then use official biographies, government/parliament profiles, and credible news if needed.
- Cross-reference sources when signals conflict.

SOURCE REQUIREMENT:
- Provide exact, full URLs for every source field (no domain-only citations).

IMPORTANT GUIDELINES:
- Use explicit statements or reliable sources only.
- If information is not publicly disclosed, return Unknown.
- Do not guess or fabricate information.

CLASS BACKGROUND RULES:
- Identify the primary occupation before entering politics.
- Then map to class_background using:
  * Working class = manual labor, service, agriculture, trades, clerical.
  * Middle class/professional = teachers, lawyers, engineers, civil servants, managers.
  * Upper/elite = large business owners, top executives, aristocracy, major landowners.
  * Unknown = insufficient information.

TARGET INDIVIDUAL:
- Name: Konstantin Fyodorovich Zatulin
- Country: Russian Federation
- Election Year: 1993
- Political Party: Party of Russian Unity and Accord
- Region/Constituency: National level
- Known Birthday: Not available
- Known Gender: Male
- Known Ethnicity: Russian

DISAMBIGUATION:
If multiple people share the same name, identify the correct person by matching (where possible):
- Country, Political party, Time period, Gender, Region

OUTPUT:
- Return strict JSON only.
