user: Question: Name the least year for European Indoor Championships result of 3rd
Columns: ['Year', 'Tournament', 'Venue', 'Result', 'Extra']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1983.0, 'European Junior Championships', 'Schwechat , Austria', '3rd', '400 m']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Tournament" = 'European Indoor Championships' AND "Result" = '3rd';