| 1 | A | B | C | D | E | F | G | H | I | J |
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| 2 | 2015 New South Wales state election - Seats changing hands |  |  |  |  |  |  |  |  |  |
| 3 | Seat | Pre-election | Pre-election | Pre-election | Pre-election | Swing | Post-election | Post-election | Post-election | Post-election |
| 4 | Seat | Party | Party | Member | Margin | Swing | Margin | Member | Party | Party |
| 5 | Ballina | - | National | Don Page | 16.9 | +20.1 | 3.1 | Tamara Smith | Greens | - |
| 6 | Blue Mountains | - | Liberal | Roza Sage | 5.4 | +13.6 | 8.2 | Trish Doyle | Labor | - |
| 7 | Campbelltown | - | Liberal | Bryan Doyle | 6.8 | +14.1 | 7.3 | Greg Warren | Labor | - |
| 8 | Gosford | - | Liberal | Chris Holstein | 11.9 | +12.2 | 0.2 | Kathy Smith | Labor | - |
| 9 | Granville | - | Liberal | Tony Issa | 3.8 | +5.9 | 2.1 | Julia Finn | Labor | - |
| 10 | Londonderry | - | Independent | Bart Bassett | 5.3 | +14.2 | 8.8 | Prue Car | Labor | - |
| 11 | Maitland | - | Liberal | Robyn Parker | 4.9 | +18.8 | 13.8 | Jenny Aitchison | Labor | - |
| 12 | Miranda | - | Labor | Barry Collier | 23.0 (Liberal) | −10.0 | 13.0 | Eleni Petinos | Liberal | - |
| 13 | Port Stephens | - | Independent | Craig Baumann | 14.8 | +19.5 | 4.7 | Kate Washington | Labor | - |
| 14 | Rockdale | - | Liberal | John Flowers | 3.5 | +8.3 | 4.8 | Steve Kamper | Labor | - |
| 15 | Strathfield | - | Liberal | Charles Casuscelli | 6.4 | +8.2 | 1.8 | Jodi McKay | Labor | - |
| 16 | Swansea | - | Independent | Garry Edwards | 0.3 | +13.3 | 13.0 | Yasmin Catley | Labor | - |
| 17 | Terrigal | - | Independent | Chris Hartcher | 23.6 | +14.6 | 9.0 | Adam Crouch | Liberal | - |
| 18 | The Entrance | - | Independent | Chris Spence | 11.5 | +11.9 | 0.4 | David Mehan | Labor | - |
| 19 | Wyong | - | Independent | Darren Webber | 4.6 | +13.3 | 8.7 | David Harris | Labor | - |
| 20 | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. | Members whose names are in italics retired at the election. |

Question: What party defeated the incumbent liberals in which 5 towns?
Answer: Incumbent Liberals were defeated by Labor in Blue Mountains, Campbelltown, Granville, Rockdale and Strathfield.