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:
| Distance | Adelaide | Brisbane | Canberra | Melbourne | Perth | Sydney |
| --- | --- | --- | --- | --- | --- | --- |
| 0–5km | $4.20 | $2.40 | $3.00 | $3.70 | $2.30 | $3.40 |
| 10km | $4.20 | $3.40 | $3.00 | $3.70 | $3.50 | $3.80 |
| 15km | $4.20 | $3.40 | $3.00 | $3.70 | $3.50 | $3.80 |
| 20km | $4.20 | $3.80 | $3.00 | $5.80 | $4.30 | $4.40 |
| 25km | $4.20 | $4.30 | $3.00 | $5.80 | $4.30 | $4.40 |
| 30km | $4.20 | $4.30 | $3.00 | $5.80 | $5.10 | $5.00 |
| 35km | $4.20 | $4.80 | $3.00 | $5.80 | $5.10 | $5.00 |
| 40km | $4.20 | $5.20 | $3.00 | $5.80 | $6.20 | $6.60 |
| 45km | $4.20 | $6.10 | $3.00 | $5.80 | $6.20 | $6.60 |
Question:
How many listings under Melbourne has a distance at 15km?
Answer:
1.0