Question: Name the high points for 21-45 record
SQL: SELECT COUNT("High Points") FROM "1-22871239-9" WHERE "Record" = '21-45';

Question: Name the visitor for March 23
SQL: SELECT "Visitor" FROM "1-22871239-9" WHERE "Date" = 'March 23';

Question: Name the high rebounds for TD Garden 18,624
SQL: SELECT "High Rebounds" FROM "1-22871239-9" WHERE "Arena Attendance" = 'TD Garden 18,624';

Question: Name the record for March 16
SQL: SELECT "Record" FROM "1-22871239-9" WHERE "Date" = 'March 16';