CREATE TABLE table_26411 ("Season" TEXT, "Name" TEXT, "Teams" FLOAT, "Relegated to league" TEXT, "Promoted to league" TEXT, "Promoted from league" TEXT, "Relegated from league" TEXT)

Who was promoted to the league when Coventry was relegated to the league?
SELECT "Promoted to league" FROM table_26411 WHERE "Relegated to league" = 'Coventry'
SELECT "Promoted to league" FROM "table_26411" WHERE "Relegated to league" = 'Coventry'