COLUMBUS, Ind. — “Elementary, said he.” The Mill Race Theatre Company will be holding auditions for the Sherlock Holmes comedy Baskerville, this week. Theatre company president Caitlin Smith says Baskerville is the third show in the company’s four-show season. “We are so excited to bring one of the most beloved characters of literature to the stage. We’ve existed for almost 50 years now, and every show we bring to the community is chosen with great care.” Auditions will be held at Mill Race Center on August 7 and 8, from 7 to 9 p.m. The production will have its first presentation on September 28.