|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