Question: Which line offers Fast to Norwood Junction?
SQL: SELECT "Line" FROM "1-1612760-1" WHERE "Service Pattern" = 'Fast to Norwood Junction';

Question: Who is the operator to Highbury & Islington?
SQL: SELECT "Operator" FROM "1-1612760-1" WHERE "Destination" = 'Highbury & Islington';

Question: How many frequency figures are given for Next station service pattern?
SQL: SELECT COUNT("Frequency (per hour)") FROM "1-1612760-1" WHERE "Service Pattern" = 'Next station';

Question: Who is the operator to destination Dalston Junction?
SQL: SELECT "Operator" FROM "1-1612760-1" WHERE "Destination" = 'Dalston Junction';