query: SELECT Name FROM singer WHERE Birth_Year  =  1948 OR Birth_Year  =  1949
question: What-all are the names of the singers whose birth years are either 1948 or 1949?
query_toks: SELECT Name FROM singer WHERE Birth_Year = 1948 OR Birth_Year = 1949
query_toks_no_value: select name from singer where birth_year = value or birth_year = value
question_toks: What-all are the names of the singers whose birth years are either 1948 or 1949?