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:
| Games | Host city | Dates | Nations | Participants | Events |
| --- | --- | --- | --- | --- | --- |
| 1904 Summer Olympics | St. Louis, Missouri | 1 July – 23 November | 12 | 651 | 91 |
| 1932 Winter Olympics | Lake Placid, New York | 7 – 15 February | 17 | 252 | 14 |
| 1932 Summer Olympics | Los Angeles, California | 30 July – 14 August | 37 | 1,332 | 117 |
| 1960 Winter Olympics | Squaw Valley, California | 2 – 20 February | 30 | 665 | 27 |
| 1980 Winter Olympics | Lake Placid, New York | 13 – 24 February | 37 | 1,072 | 38 |
| 1984 Summer Olympics | Los Angeles, California | 20 July – 18 August | 140 | 6,829 | 221 |
| 1996 Summer Olympics | Atlanta, Georgia | 18 July – 4 August | 197 | 1,318 | 271 |
| 2002 Winter Olympics | Salt Lake City, Utah | 8 – 24 February | 77 | 2,399 | 78 |
Question:
which events had less than fifty nations participating?
Answer:
1904 Summer Olympics, 1932 Winter Olympics, 1932 Summer Olympics, 1960 Winter Olympics, 1980 Winter Olympics