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:
| unit | reactortype | net capacity | gross capacity | construction started | electricity grid | commercial operation | shutdown |
| novovoronezh - 1 | vver - 210 (prototype) | 197 mw | 210 mw | 01.07.1957 | 30.09.1964 | 31.12.1964 | 16.02.1988 |
| novovoronezh - 2 | vver - 365 (prototype) | 336 mw | 365 mw | 01.06.1964 | 27.12.1969 | 14.04.1970 | 29.08.1990 |
| novovoronezh - 3 | vver - 440 / 179 | 385 mw | 417 mw | 01.07.1967 | 27.12.1971 | 29.06.1972 | 2016 planned |
| novovoronezh - 4 | vver - 440 / 179 | 385 mw | 417 mw | 01.07.1967 | 28.12.1972 | 24.03.1973 | 2017 planned |
| novovoronezh - 5 | vver - 1000 / 187 (prototype) | 950 mw | 1000 mw | 01.03.1974 | 31.05.1980 | 20.02.1981 | 2035 planned |
Title:
novovoronezh nuclear power plant
Statement:
the novovoronezh - 4 unit started commercial operation on 24.03.1973 and began on the electricity grid on 28.12.1972
Answer:
supported