query: SELECT avg(horsepower) FROM CARS_DATA WHERE YEAR  <  1980;
question: What-what of the cars before 1980 is that average horsepower?
query_toks: SELECT avg ( horsepower ) FROM CARS_DATA WHERE YEAR < 1980 ;
query_toks_no_value: select avg ( horsepower ) from cars_data where year < value
question_toks: What-what of the cars before 1980 is that average horsepower?