Question: What year saw the formation of the coalition that won 26 seats in the 1999 Indian general election?
Sentence (from "Indian general election, 1996 (Tamil Nadu)"): This led to a disastrous showing, for ADMK and Congress in Tamil Nadu, since they lost all 39 seats from the last election, and TMC reaping the benefits by getting the most seats, in this election with 20 seats.
Relevant evidence: No