Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| tie no | home team | score | away team | date |
| 1 | chester city | 1 - 1 | sheffield wednesday | 31 january 1987 |
| replay | sheffield wednesday | 3 - 1 | chester city | 4 february 1987 |
| 2 | watford | 1 - 0 | chelsea | 1 february 1987 |
| 3 | walsall | 1 - 0 | birmingham city | 31 january 1987 |
| 4 | luton town | 1 - 1 | queens park rangers | 31 january 1987 |
| replay | queens park rangers | 2 - 1 | luton town | 4 february 1987 |
| 5 | swindon town | 1 - 2 | leeds united | 3 february 1987 |
| 6 | newcastle united | 2 - 0 | preston north end | 31 january 1987 |
| 7 | tottenham hotspur | 4 - 0 | crystal palace | 31 january 1987 |
| 8 | west ham united | 4 - 0 | sheffield united | 9 february 1987 |
| 9 | manchester united | 0 - 1 | coventry city | 31 january 1987 |
| 10 | bradford city | 0 - 1 | everton | 31 january 1987 |
| 11 | wimbledon | 4 - 0 | portsmouth | 31 january 1987 |
| 12 | arsenal | 6 - 1 | plymouth argyle | 31 january 1987 |
| 13 | stoke city | 2 - 1 | cardiff city | 31 january 1987 |
| 14 | aldershot | 1 - 1 | barnsley | 31 january 1987 |
| replay | barnsley | 3 - 0 | aldershot | 3 february 1987 |
| 15 | wigan athletic | 1 - 0 | norwich city | 31 january 1987 |
| 16 | swansea city | 0 - 1 | hull city | 3 february 1987 |
Title:
1986 - 87 fa cup
Statement:
portsmouth was the away team who played wimbledon on 31 january 1987 with score 6 - 1
Answer:
refuted