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:
| Callsign | Frequency | Band | On-air ID | Purpose |
| --- | --- | --- | --- | --- |
| 4AA | 1026 | AM | 4MK | Commercial |
| 4AAA | 0 98.9 | FM | 98.9 FM | Community |
| 4ABC | 0 91.7 | FM | ABC Gold Coast | National |
| 4ABCFM | various | FM | ABC Classic FM | National |
| 4ABCRN | various | FM | ABC Radio National | National |
| 4ABCRR | various | FM | ABC Local Radio | National |
| 4ACR | various | FM | National Indigenous Radio Service | Community |
| 4AK | 1242 | AM | 4AK | Commercial |
| 4AM | 0 558 | AM | 4AM | Commercial |
| 4AMM | 0 97.9 | FM | Hot FM | Commercial |
| 4AT | 0 720 | AM | ABC Far North Queensland | National |
| 4BAY | 100.3 | FM | Bay FM | Community |
| 4BBB | 105.3 | FM | B105 | Commercial |
| 4BC | 1116 | AM | 4BC | Commercial |
| 4BCR | 0 94.7 | FM | 94.7 FM | Community |
| 4BFM | 0 97.3 | FM | 97.3 FM | Commercial |
| 4BH | 0 882 | AM | 4BH | Commercial |
| 4BI | 1197 | AM | Switch 1197 | Community |
| 4BNE | 106.9 | FM | Nova | Commercial |
| 4BRR | 0 91.5 | FM | Burnett River Radio | Community |
| 4BRZ | various | FM | Breeze FM | Commercial |
| 4BSR | 101.5 | FM | Beau FM | Community |
| 4BU | 1332 | AM | 4BU | Commercial |
| 4BVR | 0 95.9 | FM | Valley FM | Community |
| 4CAB | 107.3 | FM | Juice 107.3 | Community |
| 4CBL | 101.1 | FM | 101 FM | Community |
| 4CC | 0 927 | AM | Zinc | Commercial |
| 4CCA | 102.7 | FM | Zinc 102.7 | Commercial |
| 4CCC | 101.7 | FM | Triple C | Commercial |
| 4CCR | 0 89.1 | FM | Cairns FM | Community |
| 4CEE | 101.9 | FM | Sea FM | Commercial |
| 4CH | 0 603 | AM | ABC Western Queensland | National |
| 4CHT | 0 95.9 | FM | Hot FM | Commercial |
| 4CIM | 0 98.7 | FM | BBM 98.7 | Community |
| 4CLG | 106.5 | FM | 106five | Community |
| 4CRB | 0 89.3 | FM | 4CRB | Community |
| 4CRM | 107.5 | FM | 4CRM | Community |
| 4CSB | 0 90.7 | FM | Crow FM | Community |
| 4DDB | 102.7 | FM | 102.7 FM | Community |
| 4DDD | 0 89.9 | FM | 4DDD | Community |
| 4EB | 0 98.1 | FM | 4EB | Community |
| 4EL | 0 846 | AM | 4CA | Commercial |
| 4FC | 1161 | AM | Radio TAB | Commercial |
| 4FCR | 107.5 | FM | Fraser Coast FM | Community |
| 4FRB | 0 96.5 | FM | 96five | Community |
| 4GC | 0 828 | AM | 4GC | Commercial |
| 4GCR | 0 91.5 | FM | Cooloola Christian Radio | Community |
| 4GEM | 0 95.1 | FM | Gem FM | Community |
| 4GLD | 0 92.5 | FM | Gold FM | Commercial |
| 4GM | 1566 | AM | ABC Wide Bay | National |
| 4GOD | 0 92.9 | FM | Voice FM | Community |
| 4GR | 0 864 | AM | 4GR | Commercial |
| 4GY | 0 558 | AM | 4GY | Commercial |
| 4HI | 1143 | AM | 4HI | Commercial |
| 4HIT | 0 94.7 | FM | Hot FM | Commercial |
| 4HOT | 103.5 | FM | Hot FM | Commercial |
| 4HTB | 102.9 | FM | Hot Tomato | Commercial |
| 4HU | 1485 | AM | ABC North West Queensland | National |
| 4ISA | 106.5 | FM | ABC North West Queensland | National |
| 4JAZ | 0 94.1 | FM | 94.1 FM | Community |
| 4JJJ | various | FM | Triple J | National |
| 4JK | 0 567 | AM | ABC North West Queensland | National |
| 4KIG | 107.1 | FM | 4K1G | Community |
| 4KQ | 0 693 | AM | 4KQ | Commercial |
| 4KRY | 0 89.1 | FM | CFM | Commercial |
| 4KZ | 0 531 | AM | 4KZ | Commercial |
| 4LG | 1098 | AM | 4LG | Commercial |
| 4LM | 0 666 | AM | 4LM | Commercial |
| 4LRE | 104.5 | FM | West FM | Commercial |
| 4MBB | 103.5 | FM | Mix FM | Commercial |
| 4MBS | 103.7 | FM | 4MBS Classic FM | Community |
| 4MCY | 0 91.1 | FM | Hot FM | Commercial |
| 4MET | 105.7 | FM | Radio Metro | Community |
| 4MIC | 102.5 | FM | Hot FM | Commercial |
| 4MIG | 105.7 | FM | Rhema FM | Community |
| 4MIX | 0 94.9 | FM | River 94.9 | Commercial |
| 4MKY | 100.3 | FM | Hot FM | Commercial |
| 4MMK | 101.9 | FM | Zinc 101.9 | Commercial |
| 4MMM | 104.5 | FM | Triple M | Commercial |
| 4MOB | 100.9 | FM | Mob FM | Community |
| 4MS | 0 639 | AM | ABC Far North Queensland | National |
| 4MUR | 105.9 | FM | My 105 | Community |
| 4MW | 1260 | AM | 4MW | Community |
| 4NAG | 0 91.3 | FM | Radio NAG | Community |
| 4NNN | 0 96.1 | FM | Zinc 96.1 | Commercial |
| 4NSA | 101.3 | FM | 101.3 FM | Community |
| 4OUR | 101.5 | FM | 101.5 FM | Community |
| 4PB | various | AM | ABC NewsRadio | National |
| 4PIB | 0 97.3 | FM | Bwgcolman Radio | Community |
| 4PNN | various | FM | ABC NewsRadio | National |
| 4QAA | 101.1 | FM | ABC Tropical North | National |
| 4QB | 0 855 | AM | ABC Wide Bay | National |
| 4QBB | 100.1 | FM | ABC Wide Bay | National |
| 4QCC | 106.7 | FM | ABC Far North Queensland | National |
| 4QD | 1548 | AM | ABC Capricornia | National |
| 4QL | 0 540 | AM | ABC Western Queensland | National |
| 4QN | 0 630 | AM | ABC North Queensland | National |
| 4QO | 0 855 | AM | ABC Wide Bay | National |
| 4QR | 0 612 | AM | ABC Brisbane | National |
| 4QS | 0 747 | AM | ABC Southern Queensland | National |
| 4QW | 0 711 | AM | ABC Western Queensland | National |
| 4QY | 0 801 | AM | ABC Far North Queensland | National |
| 4RAM | 103.1 | FM | Hot FM | Commercial |
| 4RBL | various | FM | Rebel FM | Commercial |
| 4RED | 0 99.7 | FM | 99Seven FM | Community |
| 4RFM | 0 96.9 | FM | 4RFM | Community |
| 4RGB | 0 93.1 | FM | Sea FM | Commercial |
| 4RGC | 0 99.5 | FM | Sea FM | Commercial |
| 4RGD | 100.7 | FM | CFM | Commercial |
| 4RGK | 101.5 | FM | Sea FM | Commercial |
| 4RGL | 0 91.9 | FM | Rhema FM | Community |
| 4RGM | 0 98.7 | FM | Sea FM | Commercial |
| 4RGR | 100.7 | FM | Zinc 100.7 | Commercial |
| 4RGT | 106.3 | FM | 106.3 FM | Commercial |
| 4RIM | 100.1 | FM | Rim FM | Community |
| 4RK | 0 837 | AM | ABC Capricornia | National |
| 4RN | 0 792 | AM | ABC Radio National | National |
| 4RO | 0 990 | AM | 4RO | Commercial |
| 4ROK | 107.9 | FM | Hot FM | Commercial |
| 4ROM | 0 95.1 | FM | Hot FM | Commercial |
| 4RPH | 1296 | AM | 4RPH | Community |
| 4RR | 105.7 | FM | 4RR | Community |
| 4RUM | 0 93.9 | FM | Hitz FM | Commercial |
| 4SB | 1071 | AM | 4SB | Commercial |
| 4SBSFM | 0 93.3 | FM | SBS Radio | National |
| 4SCR | 0 90.3 | FM | ABC Sunshine Coast | National |
| 4SDB | 0 89.3 | FM | Rainbow FM | Community |
| 4SEA | 0 90.9 | FM | Sea FM | Commercial |
| 4SEE | 0 91.9 | FM | Sea FM | Commercial |
| 4SFM | 104.9 | FM | Sunshine FM | Community |
| 4SSS | 0 92.7 | FM | Mix FM | Commercial |
| 4TAB | 1008 | AM | Radio TAB | Commercial |
| 4TCB | 0 99.9 | FM | Live FM | Community |
| 4TI | 1062 | AM | ABC Far North Queensland | National |
| 4TOO | 102.3 | FM | 4TO | Commercial |
| 4TTT | 103.9 | FM | Triple T | Community |
| 4TVR | 0 92.3 | FM | 92.3 FM | Community |
| 4US | 100.7 | FM | US FM | Community |
| 4VL | 0 918 | AM | 4VL | Commercial |
| 4WBR | 105.1 | FM | Rhema FM | Community |
| 4WHO | 0 99.7 | FM | Wild Horse FM | Community |
| 4WK | 0 963 | AM | 4WK | Commercial |
| 4WP | 1044 | AM | ABC Far North Queensland | National |
| 4YOU | 0 98.5 | FM | 4YOU | Community |
| 4ZKZ | 0 98.3 | FM | Kool FM | Commercial |
| 4ZR | 1476 | AM | 4ZR | Commercial |
| 4ZZZ | 102.1 | FM | 4ZZZ | Community |
Question:
What is 4zr's callsign?
Answer:
4ZR