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:
| Year | Start | Qual | Rank | Finish | Laps |
| --- | --- | --- | --- | --- | --- |
| 1953 | 33 | 135.262 | 33 | 32 | 6.0 |
| 1954 | 4 | 138.787 | 12 | 24 | 165.0 |
| 1955 | 33 | 134.113 | 33 | 4 | 200.0 |
| 1956 | 18 | 145.549 | 2 | 32 | 22.0 |
| 1957 | 11 | 143.529 | 4 | 12 | 199.0 |
| 1958 | 22 | 142.908 | 20 | 23 | 52.0 |
| 1959 | 1 | 145.908 | 1 | 3 | 200.0 |
| 1960 | 17 | 146.443 | 3 | 5 | 200.0 |
| Totals | Totals | Totals | Totals | Totals | 1044.0 |
Question:
Which start has 1956 as the year?
Answer:
18.0