Columns shared verbatim across: espn_mbb_seasons, espn_nba_seasons.
Details
| col_name | types | description |
| season | integer | Season identifier (4-digit year or 'YYYY-YY' string). |
| start_date | character | Start date (YYYY-MM-DD). |
| end_date | character | End date (YYYY-MM-DD). |
| display_name | character | Display name. |
| season_type_count | integer | |
