CREATE TABLE table_19301 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT, "Candidates" TEXT)

When was incumbent John Thomas Wilson first elected?
SELECT "First elected" FROM table_19301 WHERE "Incumbent" = 'John Thomas Wilson'
SELECT "First elected" FROM "table_19301" WHERE "Incumbent" = 'John Thomas Wilson'