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:
| Date | Player | Injury | Date of injury | Number of matches (Total) | Source |
| --- | --- | --- | --- | --- | --- |
| August 4, 2010 | Davide Santon | Clean-up surgery on his right knee | April 7, 2010 | 12 | inter.it |
| September 14, 2010 | Maicon | Knee problem | August 27, 2010 | 2 | inter.it |
| September 19, 2010 | Dejan Stanković | Hamstring muscle strain in his left thigh | September 10, 2010 | 2 | inter.it |
| September 22, 2010 | Wesley Sneijder | Foot injury | September 17, 2010 | 1 | inter.it |
| October 3, 2010 | Diego Milito | Slight thigh strain in right leg | September 25, 2010 | 1 | inter.it |
| October 17, 2010 | Javier Zanetti | Post-traumatic pneumothrorax | September 21, 2010 | 4 | inter.it |
| October 17, 2010 | Walter Samuel | Right thigh muscle strain | September 22, 2010 | 3 | inter.it |
| October 17, 2010 | Thiago Motta | Surgery on his right knee | August 20, 2010 | 10 | inter.it |
| October 20, 2010 | Goran Pandev | Ankle problem | September 25, 2010 | 3 | inter.it |
| October 20, 2010 | Iván Córdoba | Sustained a biceps femoris strain in his left leg | October 3, 2010 | 1 | inter.it |
| October 24, 2010 | Esteban Cambiasso | First-degree strain left hamstring muscles | October 8, 2010 | 2 | inter.it |
| November 10, 2010 | Dejan Stanković (2) | Right calf strain | October 20, 2010 | 4 (6) | inter.it |
| November 14, 2010 | Wesley Sneijder (2) | Fainted during half time | November 6, 2010 | 1 (2) | inter.it |
| November 21, 2010 | Esteban Cambiasso (2) | Sustained posterior thigh strains in his left leg | October 29, 2010 | 4 (6) | inter.it |
| November 28, 2010 | Thiago Motta (2) | Knee problem | October 21, 2010 | 7 (17) | inter.it |
| December 3, 2010 | Sulley Muntari | Right calf strain | November 2, 2010 | 6 | inter.it |
| December 7, 2010 | McDonald Mariga | Muscular problem | October 13, 2010 | 12 | inter.it |
| December 15, 2010 | Júlio César | Sustained posterior thigh strains in his right leg | October 29, 2010 | 9 | inter.it |
| December 15, 2010 | Cristian Chivu | Thigh strain in his right leg | November 17, 2010 | 5 | inter.it |
| December 18, 2010 | Maicon (2) | Muscle strain in the back of the left thigh | November 6, 2010 | 7 (9) | inter.it |
| January 12, 2011 | Joel Obi | Second degree muscle pull in his left hamstring | November 14, 2010 | 9 | inter.it |
| January 12, 2011 | Nelson Rivas | Fitness problem | August 18, 2010 | 27 | inter.it |
| January 23, 2011 | Thiago Motta (3) | Minor injury | January 18, 2011 | 1 (18) | inter.it |
| January 30, 2011 | Philippe Coutinho | Pulled hamstring | November 19, 2010 | 14 | inter.it |
| January 30, 2011 | Júlio César (2) | Strained a thigh muscle | January 4, 2011 | 7 (16) | inter.it |
| February 3, 2011 | Wesley Sneijder (3) | Foot injury | December 14, 2010 | 9 (11) | inter.it |
| February 6, 2011 | Esteban Cambiasso (3) | Hamstring strain in his left thigh | February 3, 2011 | 0 (6) | inter.it |
| February 6, 2011 | Iván Córdoba (2) | Dislocated shoulder | January 27, 2011 | 2 (3) | inter.it |
| February 6, 2011 | Luca Castellazzi | Right hand injury | January 29, 2011 | 2 | inter.it |
| February 16, 2011 | Dejan Stanković (3) | Pulled a muscle in this right thigh | January 27, 2011 | 4 (10) | inter.it |
| February 23, 2011 | Lúcio | Pulled an adductor muscle in his right thigh | January 31, 2011 | 5 | inter.it |
Question:
What is the date of injury when the injury is sustained posterior thigh strains in his left leg?
Answer:
October 29, 2010