Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

Brigadier Sir Iltyd Nicholl Clayton CBE (1886 -- 30 June 1955) was a British Army officer notable for his attachment to the Middle East Office in Cairo during and after World War II and his involvement in the formation of Arab League and formulation of post-war British policy in the Middle East.
Who did Iltyd Nicholl Clayton serve for?

To validate the presence and demonstrate the clinical value of the type I interferon (IFN)-signature during arthritis development. In 115 seropositive arthralgia patients who were followed for the development of arthritis (Amsterdam Reade cohort), and 25 presymptomatic individuals who developed rheumatoid arthritis (RA) later, and 45 population-based controls (Northern Sweden cohort), the expression levels of 7 type I IFN response genes were determined with multiplex qPCR and an IFN-score was calculated. The diagnostic performance of the IFN-score was evaluated using Cox regression and Receiver Operating Characteristics (ROC)-curve analysis. In 44 of the 115 at-risk individuals (38%) from the Amsterdam Reade cohort, arthritis developed after a median period of 8 months (IQR 5-13). Stratification of these individuals based on the IFN-score revealed that 15 out of 25 IFN(high) individuals converted to arthritis, compared with 29 out of 90 IFN(low) individuals (p=0.011). In the Northern Sweden cohort, the level of the IFN-score was also significantly increased in presymptomatic individuals who developed RA compared with population-based controls (p=0.002). Cox regression analysis of the Amsterdam Reade cohort showed that the hazard ratio (HR) for development of arthritis was 2.38 (p=0.008) for IFN(high) at-risk individuals after correction for anticitrullinated protein antibodies (ACPA) and rheumatoid factor (RF). The ROC-curve area under the curve (AUC) for the IFN-score combined with ACPA and RF in the prediction of arthritis was 78.5% (p=0.0001, 95% CI 0.70 to 0.87). The results demonstrated clinical utility for the IFN-signature as a biomarker in the prediction of arthritis development.
Which is the most common gene signature in Rheumatoid Arthritis patients?

City Varieties The Headrow, Leeds.Tel.430808. Oct 10--11 only.A Night at the Varieties.All the fun of an old music hall with Barry Cryer, Duggle Brown, 6 dancers, Mystina, Jon Barker, Anne Dural and the Tony Harrison Trio; Laugh again at the old jokes and listen to your favorite songs. Performances: 8 pm nightly. Admission: L5; under 16 or over 60: L4. York Theatre Royal St Leonard's Place, York.Tel.223568. Sept 23--Oct 17 Groping for Words--a comedy by Sue Townsend.Best known for her Adrian Mole Diaries, Townsend now writes about an evening class, which two men and a woman attend.A gentle comedy. Admission: First night, Mon: L2; Tues--Fri: L3.25--5.50; Sat: L3.50--5.75. Halifax Playhouse King's Cross Street, Halifax.Tel.365998. Oct 10--17 On Golden Pond by Ernest Thompson.This is a magical comedy about real people.A beautifully produced, well-acted play for everyone.Don't miss it. Performances: 7:30 pm. Admission: L2.Mon: 2 seats for the price of one. Grand Theatre Oxford Street, Leeds.Tel.502116. Restaurant and Cafe. Oct--17 The Secret Diary of Adrian Mole, Aged 13.Sue Townsend's musical play, based on her best-selling book. Performances: Evenings 7:45.October 10--17, at 2:30 pm.No Monday performances. Admission: Tues--Thurs: L2--5; Fri & Sat: L2--6.

Which theatre offers the cheapest seat?