user: Question: What year was the 4th Place Team of the wyoming angus, johnstown, co?
Columns: ['Year', '1st Place Team', '2nd Place Team', '3rd Place Team', '4th Place Team', 'Host Location']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1951.0, 'Hoak Packers, Fresno, CA', 'Nitehawks, Long Beach, CA', 'Robitaille Motors, Montreal, QC', 'Wells Motors, Greeley, CO', 'Greeley, CO']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "4th Place Team" = 'wyoming angus, johnstown, co';