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 |
| --- | --- | --- | --- | --- | --- |
| 1966 | 24 | 159.794 | 15 | 28 | 0.0 |
| 1967 | 20 | 162.830 | 30 | 17 | 176.0 |
| 1971 | 14 | 170.770 | 19 | 16 | 140.0 |
| 1972 | 32 | 178.864 | 33 | 10 | 193.0 |
| Totals | Totals | Totals | Totals | Totals | 509.0 |
Question:
What is the lowest lap with a rank of 30?
Answer:
176.0