Question:
Which position did Pedro Alejandrino del Solar hold in Nov, 1889?

Context:
 Pedro Alejandrino del Solar holds the position of President of the Council of Ministers of Peru from Apr, 1889 to Feb, 1890. 
 Pedro Alejandrino del Solar holds the position of Member of the Chamber of Deputies of Peru from Jan, 1886 to Jan, 1889. 
 Pedro Alejandrino del Solar holds the position of member of the Senate of Peru from Jan, 1868 to Jan, 1875.

Answer:
President of the Council of Ministers of Peru