CREATE TABLE table_204_980 (id DECIMAL, "name" TEXT, "type" TEXT, "elevation\ ( ground station ) " DECIMAL, "elevation\ ( mountain station ) " DECIMAL, "slope length" DECIMAL, "capacity\ ( persons/hour ) " DECIMAL, "construction year" DECIMAL)

which name was after trainer 1 ?
SELECT "name" FROM table_204_980 WHERE id = (SELECT id FROM table_204_980 WHERE "name" = 'trainer 1') + 1
SELECT "name" FROM "table_204_980" WHERE "id" = (SELECT "id" FROM "table_204_980" WHERE "name" = 'trainer 1') + 1