Question:
Which position did Carl Christoffer Georg Andræ hold in May, 1857?

Context:
 Carl Christoffer Georg Andræ holds the position of Speaker of the Folketing from Jan, 1850 to Aug, 1852. 
 Carl Christoffer Georg Andræ holds the position of member of the Danish Constituent Assembly from Oct, 1848 to Jun, 1849. 
 Carl Christoffer Georg Andræ holds the position of Finance Minister of Denmark from Dec, 1854 to Jul, 1858. 
 Carl Christoffer Georg Andræ holds the position of Prime Minister of Denmark from Oct, 1856 to May, 1857.

Answer:
Finance Minister of Denmark