CREATE TABLE "stations" (
  "call_sign" text,
  "frequency" text,
  "city_of_license" text,
  "watts" real,
  "class" text
);

Question: How many Watts has a Class of a, and a Frequency of 91.5 fm, and a City of license of elkhart, kansas?
SQL: SELECT MIN("watts") FROM "stations" WHERE "class"='a' AND "frequency"='91.5 fm' AND "city_of_license"='elkhart, kansas';

Question: Which Class has a City of license of garden city, kansas?
SQL: SELECT "class" FROM "stations" WHERE "city_of_license"='garden city, kansas';

Question: What is the Frequency that is smaller than 100,000 Watts in guymon, oklahoma?
SQL: SELECT "frequency" FROM "stations" WHERE "watts"<'100,000' AND "city_of_license"='guymon, oklahoma';

Question: Which Frequency has a Call sign of kcse?
SQL: SELECT "frequency" FROM "stations" WHERE "call_sign"='kcse';