Answer a question about this article:
In the March 26 general elections, voter participation was an impressive 89.8%, and 1,958 (including 1,225 district seats) of the 2,250 CPD seats were filled. In district races, run-off elections were held in 76 constituencies on April 2 and 9 and fresh elections were organized on April 20 and 14 to May 23, in the 199 remaining constituencies where the required absolute majority was not attained. While most CPSU-endorsed candidates were elected, more than 300 lost to independent candidates such as Yeltsin, physicist Andrei Sakharov and lawyer Anatoly Sobchak.
How many constituencies had run-off elections?
76