Question: Who is the music-director for the song from the film Khaleja who had a co-singer of Hemachandra?
SQL: SELECT "Music - Director" FROM "2-18550192-2" WHERE "Co - Singer" = 'Hemachandra' AND "Film" = 'Khaleja';

Question: What is the film from 2013 with a song title of "Neetho Edo" with a Solo co-singer?
SQL: SELECT "Film" FROM "2-18550192-2" WHERE "Year" = 2013.0 AND "Co - Singer" = 'Solo' AND "Song Title" = '"Neetho Edo"';