CREATE TABLE "table1_20466963_13" (
  "date" text,
  "presenter" text,
  "guest_1" text,
  "guest_2" text,
  "guest_3" text,
  "guest_4" text
);

Question: Name the guest 4 for 8 december
SQL: SELECT "guest_4" FROM "table1_20466963_13" WHERE "date"='8 December';

Question: Name the guest 4 for steve lamacq
SQL: SELECT "guest_4" FROM "table1_20466963_13" WHERE "guest_2"='Steve Lamacq';

Question: Name the guest 2 for colin murray 6 april
SQL: SELECT COUNT("guest_2") FROM "table1_20466963_13" WHERE "presenter"='Colin Murray' AND "date"='6 April';

Question: Name the presenter 11 may
SQL: SELECT "presenter" FROM "table1_20466963_13" WHERE "date"='11 May';

Question: Name the guest 3 for iyare igiehon
SQL: SELECT "guest_3" FROM "table1_20466963_13" WHERE "guest_2"='Iyare Igiehon';