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:
| Summoned | Elected | Assembled | Dissolved | 1st member | 2nd member |
| --- | --- | --- | --- | --- | --- |
| 14 August 1553 | 1553 | 5 October 1553 | 5 December 1553 | Edmund Mordaunt | Thomas Leigh |
| 17 February 1554 | 1554 | 2 April 1554 | 3 May 1554 | Edmund Mordaunt | Thomas Leigh |
| 3 October 1554 | 1554 | 12 November 1554 | 16 January 1555 | William Hall | John Williams |
| 3 September 1555 | 1555 | 21 October 1555 | 9 December 1555 | unknown | unknown |
| 6 December 1557 | 1557/58 | 20 January 1558 | 17 November 1558 | George Gascoigne | Thomas Leigh |
Question:
Who was the 1st member with 2nd member Thomas Leigh and was elected in 1557/58?
Answer:
George Gascoigne