Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Tournament | Venue | Result | Extra |
| --- | --- | --- | --- | --- |
| 1973.0 | European Junior Championships | Duisburg , West Germany | 1st | 4x400 m relay |
| 1975.0 | European Indoor Championships | Katowice , Poland | 1st | 800 m |
| 1976.0 | Olympic Games | Montreal , Canada | 4th | 800 m |
| 1978.0 | European Championships | Prague , Czechoslovakia | 6th | 800 m |
| 1978.0 | European Championships | Prague , Czechoslovakia | 6th | 400 m hurdles |
| 1979.0 | European Indoor Championships | Vienna , Austria | 2nd | 800 m |
Question:
What tournament since 1973 has a result of 1st?
Answer:
European Indoor Championships