user: Question: what is the percent decline from peak population when the peak population (year) is 178320 (1960)?
Columns: ['City', 'State', '2010 population', 'Peak population (year)', 'Numeric decline from peak population', 'Percent decline from peak population']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Albany', 'New York', '97856', '134995 (1950)', '-37,139', '-27.51%']
SQL:

assistant: SELECT "Percent decline from peak population" FROM "Table" WHERE "Peak population (year)" = '178320 (1960)';