Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Type | Year | Block | Displacement | Mainly For |
| --- | --- | --- | --- | --- |
| Mk.I | 1959.0 | 105/107E | 997 cc | Development of A2 and A3 camshaft |
| Mk.II | 1960.0 | 105/107E | 997cc | Lotus Mk.VII |
| Mk.III | 1960.0 | 105/107E | 997cc | Formula Junior |
| Mk.IV | 1961.0 | 105/107E | 1098 cc | Formula Junior |
| Mk.V | 1962.0 | 109E | 1340 cc | Lotus Mk.VII |
| Mk.VI | 1962.0 | 109E | 1340 cc | Lotus Mk.VII |
| Mk.VII | 1962.0 | 109E | 1475 cc | 1.5 Litre class |
| Mk.VIII | 1963.0 | 116E | 1498 cc | Lotus Mk.VII |
| Mk.IX | 1963.0 | 116E | 1498 cc | 1.5 Litre class |
| Mk.X | 1963.0 | 116E | 1498 cc | Development of Mk.XII and XIII |
| Mk.XI | 1963.0 | 109E | 1098 cc | Formula Junior |
| Mk.XII | 1963.0 | 116E | 1594 cc | Lotus 20B , 22 , 23 |
| Mk.XIII | 1963.0 | 116E | 1594 cc | Formula B , Lotus 22 , 23B , 23C |
| Mk.XIV | 1963.0 | 116E | 1498 cc | Lotus Mk.VII |
| Mk.XV | 1963.0 | 116E | 1594 cc | Lotus 26R, Lotus Cortina |
| Mk.XVI | 1963.0 | 116E | 1498 cc | Note |
| Mk.XVII | 1964.0 | 109E | 1098 cc | Formula Junior |
| MAE | 1965.0 | 109E | 997 cc | Formula 3 |
Question:
What is the Mainly For with a displacement of 997 cc in a year before 1962?
Answer:
Development of A2 and A3 camshaft