question: In which work did Welch express his belief that Mohammad 's physical reaction to the revelation was historically accurate ?
answer: Encyclopaedia of Islam
turker_answer: Welch expressed his belief that Mohammad 's physical reaction to the revelation was historically accurate in his `` Encyclopaedia of Islam . ''
rule-based: Welch expressed his belief that Mohammad 's physical reaction to the revelation was historically accurate in encyclopaedia of Islam .