CREATE TABLE table_33713 ("Season" CLOB, "Tier" CLOB, "Division" CLOB, "Position" CLOB, "Top scorer" CLOB)

What was the top scorer in the 1890-91 season?
SELECT "Top scorer" FROM table_33713 WHERE "Season" = '1890-91'
SELECT "Top scorer" FROM "table_33713" WHERE "Season" = '1890-91'