Question: What is the total number of Rank, when Date of Official Foundation of Municipality is after 1926, when Province is "Sistan and Baluchestan", and when 2006 is greater than 567449?
SQL: SELECT COUNT(rank) FROM table_name_87 WHERE date_of_official_foundation_of_municipality > 1926 AND province = "sistan and baluchestan" AND 2006 > 567449