Conversation so far:
What is the Covode Committee relative to James Buchanan?
In March 1860, the House created the Covode Committee to investigate the administration for alleged impeachable offenses.
What offenses by the administration was the Covode Committee created to investigate?
Alleged impeachable offenses include bribery and extortion of representatives.
What was James Buchanan's role in the Covode Committee?
The Covode Committee was charged with a broad investigation of the administration of President James Buchanan, including possible impeachment.
Who were the people in the Covode Committee?
The Covode Committee, with three Republicans and two Democrats, was accused by James Buchanan's supporters of being nakedly partisan.
Did the Covode Committee arrest anyone?
The Covode Committee was unable to establish grounds for impeaching James Buchanan.

Question: How old was Buchanan when they tried to impeach him?
Self-contained rewrite: How old was James Buchanan when the Covode Committee tried to impeach him?