Question:
Which position did Valentine Browne, 4th Earl of Kenmare hold in Jul, 1857?

Context:
 Valentine Browne, 4th Earl of Kenmare holds the position of Member of the 19th Parliament of the United Kingdom from Jul, 1865 to Nov, 1868. 
 Valentine Browne, 4th Earl of Kenmare holds the position of Member of the 17th Parliament of the United Kingdom from Mar, 1857 to Apr, 1859. 
 Valentine Browne, 4th Earl of Kenmare holds the position of Member of the 16th Parliament of the United Kingdom from Jul, 1852 to Mar, 1857. 
 Valentine Browne, 4th Earl of Kenmare holds the position of Member of the 18th Parliament of the United Kingdom from Apr, 1859 to Jul, 1865. 
 Valentine Browne, 4th Earl of Kenmare holds the position of Member of the House of Lords from Dec, 1871 to Feb, 1905. 
 Valentine Browne, 4th Earl of Kenmare holds the position of Member of the 20th Parliament of the United Kingdom from Nov, 1868 to Dec, 1871.

Answer:
Member of the 17th Parliament of the United Kingdom