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:
| Religious\ngroup | Population\n% | Growth\n(1991–2001) | Sex ratio\n(total) | Literacy\n(%) | Work participation\n(%) | Sex ratio\n(rural) | Sex ratio\n(urban) | Sex ratio\n(child) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Hindu | 80.46% | 20.3% | 931 | 65.1% | 40.4% | 944 | 894 | 925 |
| Muslim | 13.43% | 29.3% | 936 | 59.1% | 31.3% | 953 | 907 | 950 |
| Christian | 2.34% | 22.6% | 1009 | 80.3% | 39.7% | 1001 | 1026 | 964 |
| Sikh | 1.87% | 18.2% | 893 | 69.4% | 37.7% | 895 | 886 | 786 |
| Buddhist | 0.77% | 18.2% | 953 | 72.7% | 40.6% | 958 | 944 | 942 |
| Animist, others | 0.72% | 103.1% | 992 | 47.0% | 48.4% | 995 | 966 | 976 |
| Jain | 0.41% | 26.0% | 940 | 94.1% | 32.9% | 937 | 941 | 870 |
Question:
how many religious groups have a leteracy rate of 70% at most?
Answer:
3