Question: What year saw the formation of the coalition that won 26 seats in the 1999 Indian general election?
Sentence (from "Indian general election, 1999 (Tamil Nadu)"): The NDA, ended up losing 3 seats, compared to the election the year before, due to ADMK leaving the NDA, but the seats were made up, because DMK left the united front and joined the NDA.
Relevant evidence: No