Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
In which year was the Tournament of european indoor championships played where the Extra was 800 m and the Result was 2nd?

### Inputs:
table_name: table, columns: ['Year', 'Tournament', 'Venue', 'Result', 'Extra']

### Response:
SELECT Year FROM table WHERE Extra = 800 m AND Tournament = european indoor championships AND Result = 2nd