-- Database schema
| singer : Singer_ID [ INT ] primary_key , Name [ TEXT ] , Birth_Year [ INT ] , Net_Worth_Millions [ INT ] , Citizenship [ TEXT ] | song : Song_ID [ INT ] primary_key , Title [ TEXT ] , Singer_ID [ INT ] song.Singer_ID = singer.Singer_ID , Sales [ INT ] , Highest_Position [ INT ] |
-- -- What are the names of the singers whose birth years are either 1948 or 1949?

SELECT Name FROM singer WHERE Birth_Year  =  1948 OR Birth_Year  =  1949;