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:
| date | tournament | winning score | margin of victory | runner (s) - up |
| 26 aug 1972 | viyella pga championship | - 9 (71 + 72 + 68 + 68 = 279) | 3 strokes | peter oosterhuis |
| 21 apr 1973 | italian open | - 4 (71 + 72 + 70 + 71 = 284) | 1 stroke | valentin barrios |
| 6 oct 1973 | dunlop masters | - 12 (69 + 65 + 70 + 68 = 272) | 7 strokes | bob charles |
| 21 jul 1974 | scandinavian enterprise open | - 5 (70 + 65 + 69 + 75 = 279) | 11 strokes | josé maria cañizares |
| 7 jun 1976 | kerrygold international classic | + 2 (69 + 79 + 72 + 70 = 290) | 1 stroke | glenn ralph |
| 19 aug 1979 | braun german open | - 7 (68 + 68 + 70 + 71 = 277) | 2 strokes | antonio garrido , lanny wadkins |
| 21 jun 1981 | billy butlin jersey open | - 9 (71 + 68 + 72 + 68 = 279) | 1 stroke | bernhard langer |
| 31 may 1982 | sun alliance pga championship | - 4 (72 + 69 + 73 + 70 = 284) | playoff | bernhard langer |
Title:
tony jacklin
Statement:
the date of 21 jun 1981 has playoff in the margin of victory field
Answer:
refuted