query: SELECT Model_name FROM chip_model WHERE Launch_year BETWEEN 2002 AND 2004;
question: names of that had launched 2002 models and 2004.
query_toks: SELECT Model_name FROM chip_model WHERE Launch_year BETWEEN 2002 AND 2004 ;
query_toks_no_value: select model_name from chip_model where launch_year between value and value
question_toks: names of that had launched 2002 models and 2004.