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:
| Event | Date | Round | Name | Nationality | Time | Record |
| --- | --- | --- | --- | --- | --- | --- |
| Women's 50m breaststroke | 12 December | Heats | Rūta Meilutytė | Lithuania | 29.56 | CR |
| Women's 50m breaststroke | 12 December | Semifinal | Rūta Meilutytė | Lithuania | 29.51 | CR |
| Women's 200m butterfly | 12 December | Final | Katinka Hosszú | Hungary | 2:02.20 | CR |
| Women's 400m medley | 12 December | Final | Hannah Miley | Great Britain | 4:23.14 | CR |
| Women's 50m breaststroke | 13 December | Final | Rūta Meilutytė | Lithuania | 29.44 | CR |
| Women's 100m medley | 14 December | Final | Katinka Hosszú | Hungary | 58.49 | CR |
| Women's 100m breaststroke | 15 December | Final | Rūta Meilutytė | Lithuania | 1:03.52 | CR |
| Women's 50m backstroke | 15 December | Semifinal | Zhao Jing | China | 26.11 | CR |
| Women's 200m medley | 15 December | Final | Ye Shiwen | China | 2:04.64 | CR |
| Women's 50m backstroke | 16 December | Final | Zhao Jing | China | 25.95 | CR |
| Women's 200m breaststroke | 16 December | Final | Rikke Møller Pedersen | Denmark | 2:16.08 | CR |
Question:
What was the nationality of the swimmer in the semifinal with a time of 29.51?
Answer:
Lithuania