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 | Single | Chart | Position |
| --- | --- | --- | --- |
| 1999 | "Heavy" | Billboard Hot 100 | 73 |
| 1999 | "Heavy" | Mainstream Rock Tracks | 1 |
| 1999 | "Heavy" | Modern Rock Tracks | 5 |
| 1999 | "Run" | Billboard Hot 100 | 76 |
| 1999 | "Run" | Modern Rock Tracks | 36 |
| 1999 | "Run" | Adult Top 40 | 12 |
| 1999 | "No More, No Less" | Mainstream Rock Tracks | 10 |
| 1999 | "No More, No Less" | Modern Rock Tracks | 32 |
| 1999 | "Tremble for My Beloved" | Mainstream Rock Tracks | 35 |
Question:
how many singles from "dosage" appeared on the modern rock tracks charts?
Answer:
3