What is the lowest rank for El Paso Natural Gas Company Building?
CREATE TABLE table_name_86 (rank INTEGER, name VARCHAR)
SELECT MIN(rank) FROM table_name_86 WHERE name = "el paso natural gas company building"
### Context: CREATE TABLE table_name_86 (rank INTEGER, name VARCHAR) ### Question: What is the lowest rank for El Paso Natural Gas Company Building? ### Answer: SELECT MIN(rank) FROM table_name_86 WHERE name = "el paso natural gas company building"