claim: San Francisco Bay Area contains zero national parks.
evidence: Saleh Khan -LRB- صالح خان , also Romanized as Saleh Khan -RRB- is a village in Dust Mohammad Rural District , in the Central District of Hirmand County , Sistan and Baluchestan Province , Iran .. Province. Provinces of Iran. Sistan and Baluchestan. Sistan and Baluchestan Province. County. Counties of Iran. Hirmand. Hirmand County. Central. Central District ( Hirmand County ). Rural District. Rural Districts of Iran. Dust Mohammad. Dust Mohammad Rural District. Dust Mohammad Rural District. Dust Mohammad Rural District. Central District. Central District ( Hirmand County ). Hirmand County. Hirmand County. Sistan and Baluchestan Province. Sistan and Baluchestan Province. Iran. Iran. At the 2006 census , its population was 195 , in 37 families .