CREATE TABLE table_72970 ("Segment description" TEXT, "Date opened" TEXT, "Line ( s ) " TEXT, "Endpoints" TEXT, "# of new stations" TEXT, "Length  ( miles ) " TEXT)

How many news stations opened on the date of June 24, 2000?
SELECT "# of new stations" FROM table_72970 WHERE "Date opened" = 'June 24, 2000'
SELECT "# of new stations" FROM "table_72970" WHERE "Date opened" = 'June 24, 2000'