CREATE TABLE table_22937 ("Tie no" FLOAT, "Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

How many tie no have team 1 as borac banja luka?
SELECT "Tie no" FROM table_22937 WHERE "Team 1" = 'Borac Banja Luka'
SELECT "Tie no" FROM "table_22937" WHERE "Team 1" = 'Borac Banja Luka'