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:
| Title | Studio | Role | Leading lady | Director |
| --- | --- | --- | --- | --- |
| The Oregon Trail | Rep | Capt. John Delmont | Ann Rutherford | Scott Pembroke |
| The Lawless Nineties | Rep | John Tipton | Ann Rutherford | Joseph Kane |
| King of the Pecos | Rep | John Clayborn | Muriel Evans | Joseph Kane |
| The Lonely Trail | Rep | Captain John Ashley | Ann Rutherford | Joseph Kane |
| Winds of the Wasteland | Rep | John Blair | Phyllis Fraser | Mack V. Wright |
| Sea Spoilers | Uni | Bob Randall | Nan Grey | Frank Strayer |
| Conflict | Uni | Pat Glendon | Jean Rogers | David Howard |
Question:
Who was the leading lady for Uni studio and Frank Strayer?
Answer:
Nan Grey