Question: John Spalvins, born Janis Gunnars Spalvins, in 1936, in Latvia, was Managing Director of the Adelaide Steamship Company from 1977 until the company's collapse in 1991, it was formed by a group of South Australian businessmen in which year?
Sentence (from "Adelaide Steamship Company"): The Adelaide Steamship Company was formed by a group of South Australian businessmen in 1875.
Relevant evidence: Yes