user
Instruction
Answer the question based on the provided table.


Table
Table Title: David Rogers (singer)
Table Content:
| Year | Single | Peak chart\npositions\nUS Country | Peak chart\npositions\nCAN Country | Album |
| --- | --- | --- | --- | --- |
| 1967 | "Forbidden Fruit" | — | — | A World Called You |
| 1968 | "I'd Be Your Fool Again" | 69 | — | A World Called You |
| 1968 | "I'm in Love with My Wife" | 38 | — | A World Called You |
| 1968 | "You Touched My Heart" | 37 | — | A World Called You |
| 1969 | "Dearly Beloved" | 59 | — | single only |
| 1969 | "A World Called You" | 23 | — | A World Called You |
| 1970 | "So Much in Love with You" | 46 | — | A World Called You |
| 1970 | "I Wake Up in Heaven" | 26 | — | She Don't Make Me Cry |
| 1971 | "She Don't Make Me Cry" | 19 | 9 | She Don't Make Me Cry |
| 1971 | "Ruby, You're Warm" | 21 | 16 | single only |
| 1972 | "Need You" | 9 | 9 | Need You |
| 1972 | "Goodbye" | 38 | — | Need You |
| 1972 | "All Heaven Breaks Loose" | 35 | — | single only |
| 1973 | "Just Thank Me" | 17 | 18 | Just Thank Me |
| 1973 | "It'll Be Her" | 22 | 16 | Just Thank Me |
| 1974 | "Loving You Has Changed My Life" | 9 | 21 | Hey There Girl |
| 1974 | "Hey There Girl" | 21 | 42 | Hey There Girl |
| 1974 | "I Just Can't Help Believin'" | 59 | — | Hey There Girl |
| 1975 | "It Takes a Whole Lot of Livin' in a House" | 60 | — | Whole Lotta Livin' in a House |
| 1976 | "Whispers and Grins" | 66 | — | singles only |
| 1976 | "Mahogany Bridge" | 84 | — | singles only |
| 1977 | "I'm Gonna Love You Right Out of This World" | 21 | 38 | singles only |
| 1977 | "The Lady and the Baby" | 76 | — | singles only |
| 1977 | "I Love What My Woman Does to Me" | 49 | 33 | singles only |
| 1977 | "Do You Hear My Heart Beat" | 47 | — | Lovingly |
| 1977 | "You and Me Alone" | 24 | — | Lovingly |
| 1978 | "I'll Be There (When You Get Lonely)" | 22 | — | Lovingly |
| 1978 | "Let's Try to Remember" | 32 | — | Lovingly |
| 1978 | "When a Woman Cries" | 31 | — | singles only |
| 1979 | "Darlin'" | 18 | 36 | singles only |
| 1979 | "You Are My Rainbow" | 36 | — | singles only |
| 1979 | "You're Amazing" | 39 | — | singles only |
| 1981 | "Houston Blue" | 88 | — | singles only |
| 1982 | "Crown Prince of the Barroom" | 92 | — | singles only |
| 1983 | "Hold Me" | 67 | — | singles only |
| 1983 | "You've Still Got Me" | 71 | — | singles only |
| 1983 | "The Devil Is a Woman" | 87 | — | singles only |
| 1984 | "I'm a Country Song" | 72 | — | singles only |


Question
how many singles were on the canadian country chart?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["10"]