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:
| Goalkeeper | Goals | Matches | Average | Team |
| --- | --- | --- | --- | --- |
| David Cobeño | 35.0 | 40.0 | 0.88 | Rayo Vallecano |
| Claudio Bravo | 28.0 | 32.0 | 0.88 | Real Sociedad |
| Chema | 41.0 | 41.0 | 1.0 | Xerez CD |
| Carlos Sánchez | 34.0 | 34.0 | 1.0 | CD Castellón |
| Alberto Cifuentes | 34.0 | 33.0 | 1.03 | UD Salamanca |
| Juan Calatayud | 42.0 | 40.0 | 1.05 | Hércules CF |
| Eduardo Navarro | 39.0 | 36.0 | 1.08 | SD Huesca |
| Wilfredo Caballero | 40.0 | 36.0 | 1.11 | Elche CF |
| Rubén Pérez | 38.0 | 33.0 | 1.15 | Gimnàstic de Tarragona |
| Roberto Santamaría | 45.0 | 39.0 | 1.15 | UD Las Palmas |
Question:
What is the highest average of goals less than 45 for team Real Sociedad?
Answer:
0.88