user: Question: What is the year of expected completion when the capacity is 22,500?
Columns: ['Stadium', 'Capacity', 'City', 'Province', 'Expected Completion']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['New Regina Stadium', '33,000', 'Regina', 'Saskatchewan', '2017']
SQL:

assistant: SELECT "Expected Completion" FROM "Table" WHERE "Capacity" = '22,500';