CREATE TABLE table_46988 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

What is home team Chelsea's Tie no?
SELECT "Tie no" FROM table_46988 WHERE "Home team" = 'chelsea'
SELECT "Tie no" FROM "table_46988" WHERE "Home team" = 'chelsea'