CREATE TABLE "host_s_and_venue" (
  "year_s" text,
  "selection_show" text,
  "venue" text,
  "national_final_main_host" text,
  "national_final_co_host" text,
  "semi_final_heat_host" text
);

Question: What was the venue when David Jacobs was the host?
SQL: SELECT "venue" FROM "host_s_and_venue" WHERE "semi_final_heat_host"='david jacobs';

Question: What was the host for the semi final heat, when Terry Wogan was the National Final main host, and Gaby Roslin was the National Final co-host?
SQL: SELECT "semi_final_heat_host" FROM "host_s_and_venue" WHERE "national_final_main_host"='terry wogan' AND "national_final_co_host"='gaby roslin';

Question: What is the name of the national final main host when the semi final/heat host shows internal selection in 2011?
SQL: SELECT "national_final_main_host" FROM "host_s_and_venue" WHERE "semi_final_heat_host"='internal selection' AND "year_s"='2011';

Question: What is the name of the national final co host when David Jacobs was the National final main host, and the selection show was a song for europe in 1966?
SQL: SELECT "national_final_co_host" FROM "host_s_and_venue" WHERE "national_final_main_host"='david jacobs' AND "selection_show"='a song for europe' AND "year_s"='1966';

Question: What is the selection show in 1969 when the Semi final/heat host shows there was no semi final/heat.
SQL: SELECT "selection_show" FROM "host_s_and_venue" WHERE "semi_final_heat_host"='no semi final/heat' AND "year_s"='1969';

Question: What is the name of the national final main host at BBC Television Centre, and the selection show was Eurovision: Your Country Needs You?
SQL: SELECT "national_final_main_host" FROM "host_s_and_venue" WHERE "venue"='bbc television centre' AND "selection_show"='eurovision: your country needs you';