CREATE TABLE singer_in_concert (singer_id VARCHAR(255), concert_id VARCHAR(255)); CREATE TABLE concert (concert_id VARCHAR(255), year VARCHAR(255)); CREATE TABLE singer (name VARCHAR(255), singer_id VARCHAR(255))
List all singer names in concerts in year 2014.
    
SQL: SELECT T2.name FROM singer_in_concert AS T1 JOIN singer AS T2 ON T1.singer_id = T2.singer_id JOIN concert AS T3 ON T1.concert_id = T3.concert_id WHERE T3.year = 2014