CREATE TABLE "services" (
  "platform" real,
  "frequency_per_hour" real,
  "destination" text,
  "service_pattern" text,
  "operator" text,
  "line" text
);

Question: Which line offers Fast to Norwood Junction?
SQL: SELECT "line" FROM "services" WHERE "service_pattern"='Fast to Norwood Junction';

Question: Who is the operator to Highbury & Islington?
SQL: SELECT "operator" FROM "services" WHERE "destination"='Highbury & Islington';

Question: How many frequency figures are given for next station service pattern?
SQL: SELECT COUNT("frequency_per_hour") FROM "services" WHERE "service_pattern"='Next station';

Question: Who is the operator to destination Dalston Junction?
SQL: SELECT "operator" FROM "services" WHERE "destination"='Dalston Junction';