Question: How many episodes are there for the three darts challenge with Sharon Osbourne?
SQL: SELECT MAX("Episode Number") FROM "1-26733129-1" WHERE "Three Darts Challenge" = 'Sharon Osbourne';

Question: What musical performances aired on 5 April 2010?
SQL: SELECT "Musical Performance" FROM "1-26733129-1" WHERE "Air Date" = '5 April 2010';

Question: What were the guests that aired on 7 June 2010?
SQL: SELECT "Guests" FROM "1-26733129-1" WHERE "Air Date" = '7 June 2010';

Question: Who was in the three darts challenge that aired on 10 May 2010?
SQL: SELECT "Three Darts Challenge" FROM "1-26733129-1" WHERE "Air Date" = '10 May 2010';