Question:
Which political party did Nicolás Salmerón y Alonso belong to in Nov, 1891?

Context:
 Nicolás Salmerón y Alonso is a member of the Catalan Solidarity from Jan, 1906 to Jan, 1908. 
 Nicolás Salmerón y Alonso is a member of the Republican Union from Jan, 1903 to Jan, 1906. 
 Nicolás Salmerón y Alonso is a member of the Progressive Party from Jan, 1875 to Jan, 1903. 
 Nicolás Salmerón y Alonso is a member of the Democratic Federal Republican Party from Jan, 1868 to Jan, 1875.

Answer:
Progressive Party