question: Which ERP W has a Frequency MHz larger than 89.1, and a City of license of de queen, arkansas?
answer: SELECT erp_w FROM table_name_54 WHERE frequency_mhz > 89.1 AND city_of_license = "de queen, arkansas"
context: CREATE TABLE table_name_54 (erp_w VARCHAR, frequency_mhz VARCHAR, city_of_license VARCHAR)